Contexto

Contexto #66 Answer — October 5, 2026

Today’s answer, hints, and the 500 closest words.

This is the answer to Contexto puzzle #66

Every Contexto-style site picks its own secret word each day, so this answer will not solve another site’s puzzle. It is the word set here on October 5, 2026. If you came looking for a different site’s word, it is not on this page — but the game is the same, it is free, and there is one below you have not seen.

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Hints first

Still want to solve it yourself? Open these one at a time.

  1. Hint 1: A word that ranks #500reveal

    recalibrating

  2. Hint 2: A word that ranks #100reveal

    senso

  3. Hint 3: A word that ranks #10reveal

    transducer

  4. Hint 4: How many lettersreveal

    6 letters

  5. Hint 5: First letterreveal

    S

Contexto #66 answer

The word is

sensor

Meaning: any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it

6 letters · ranked against 70,000 words

Closest words to “sensor”

These rank nearest to the answer. If you guessed any of them, you were close.

  1. sensors2
  2. sensing3
  3. actuator4
  4. thermistor5
  5. accelerometer6
  6. imager7
  7. detector8
  8. readout9
  9. transducer10
  10. photodiode11
  11. photocell12
  12. biosensor13
  13. microswitch14
  14. senor15
  15. photodetector16
  16. thermocouple17
  17. actuators18
  18. accelerometers19
  19. oximeter20
  20. controller21
  21. solenoid22
  22. photodiodes23
  23. transducers24
  24. flowmeter25
  25. calibration26
  26. phototransistor27
  27. thermistors28
  28. camera29
  29. scanner30
  30. inclinometer31
Show 470 more closest words
  1. amperometric32
  2. detectors33
  3. calibrator34
  4. device35
  5. encoder36
  6. potentiometer37
  7. lens38
  8. detects39
  9. servo40
  10. capacitive41
  11. meter42
  12. magnetometer43
  13. detection44
  14. crankshaft45
  15. readouts46
  16. microprocessor47
  17. rangefinder48
  18. voltmeter49
  19. piezo50
  20. oximetry51
  21. measurement52
  22. camshaft53
  23. infrared54
  24. module55
  25. speedometer56
  26. digitizer57
  27. analyzer58
  28. electrode59
  29. cameras60
  30. viewfinder61
  31. thermostat62
  32. resistor63
  33. pyrometer64
  34. pyroelectric65
  35. ecu66
  36. speedo67
  37. tach68
  38. potentiometric69
  39. solenoids70
  40. signal71
  41. gimbal72
  42. injector73
  43. fingerprint74
  44. imaging75
  45. gyro76
  46. circuitry77
  47. pixel78
  48. anemometer79
  49. altimeter80
  50. touchscreen81
  51. capacitance82
  52. tachometer83
  53. colorimeter84
  54. aperture85
  55. airbag86
  56. detecting87
  57. lense88
  58. gasket89
  59. connector90
  60. telemetry91
  61. transceiver92
  62. optoelectronic93
  63. piezoelectric94
  64. interferometer95
  65. photoelectric96
  66. calibrate97
  67. electrodes98
  68. chip99
  69. senso100
  70. positioner101
  71. valve102
  72. lidar103
  73. spectrometer104
  74. subsystem105
  75. optical106
  76. keypad107
  77. gage108
  78. coprocessor109
  79. detect110
  80. gyroscope111
  81. oxygen112
  82. absorber113
  83. photometer114
  84. antenna115
  85. transponder116
  86. modulator117
  87. actuation118
  88. dosimeter119
  89. tracker120
  90. seismometer121
  91. encoders122
  92. transmitter123
  93. wideband124
  94. analyser125
  95. shutter126
  96. throttle127
  97. microelectrode128
  98. voltage129
  99. gyroscopes130
  100. multimeter131
  101. barometric132
  102. ultrasonic133
  103. electrochemical134
  104. lambda135
  105. diode136
  106. emitter137
  107. injectors138
  108. apertures139
  109. probe140
  110. wiper141
  111. ignitor142
  112. substrate143
  113. microcomputer144
  114. wavefront145
  115. monitoring146
  116. radiometer147
  117. biometric148
  118. hydrophone149
  119. compensator150
  120. rotor151
  121. joystick152
  122. glucose153
  123. nozzle154
  124. colorimetric155
  125. cuvette156
  126. altimeters157
  127. polarizer158
  128. subassembly159
  129. sonar160
  130. photoconductor161
  131. capacitor162
  132. heater163
  133. coupler164
  134. temperature165
  135. photomultiplier166
  136. actuating167
  137. convertor168
  138. gauges169
  139. optics170
  140. uncalibrated171
  141. thermometry172
  142. recalibration173
  143. haptic174
  144. firmware175
  145. gripper176
  146. thermo177
  147. deflector178
  148. calibrating179
  149. coil180
  150. reflectance181
  151. cam182
  152. refractometer183
  153. probes184
  154. metering185
  155. housings186
  156. recalibrate187
  157. brake188
  158. potentiometers189
  159. pintle190
  160. filter191
  161. coolant192
  162. ionizer193
  163. adapter194
  164. thermographic195
  165. calibrations196
  166. ohmmeter197
  167. pixels198
  168. plethysmography199
  169. calibrated200
  170. flange201
  171. adaptor202
  172. processor203
  173. stabilizer204
  174. resistive205
  175. implantable206
  176. magnetostrictive207
  177. signals208
  178. magnetometers209
  179. canister210
  180. spacer211
  181. cylinder212
  182. isolator213
  183. controllers214
  184. calorimeter215
  185. monitor216
  186. interferometers217
  187. ignition218
  188. calibrates219
  189. interferometric220
  190. interferometry221
  191. manometer222
  192. thermometer223
  193. gages224
  194. haptics225
  195. calorimetric226
  196. lenses227
  197. headlamp228
  198. hygrometer229
  199. prefilter230
  200. analyzers231
  201. pedometer232
  202. vibration233
  203. membrane234
  204. exhaust235
  205. transducing236
  206. inertial237
  207. logger238
  208. camara239
  209. reflectometry240
  210. evap241
  211. caliper242
  212. gyroscopic243
  213. sonars244
  214. pinhole245
  215. stylus246
  216. handgrip247
  217. barcode248
  218. pulse249
  219. wireless250
  220. condenser251
  221. wipers252
  222. illuminance253
  223. multiplexer254
  224. microelectronic255
  225. leds256
  226. pentaprism257
  227. oscilloscope258
  228. cannister259
  229. galvanometer260
  230. analysers261
  231. odometer262
  232. collimator263
  233. waveform264
  234. endoscope265
  235. diagnostics266
  236. wearable267
  237. indicator268
  238. simulator269
  239. conductivity270
  240. touchless271
  241. technology272
  242. radar273
  243. wiring274
  244. biofeedback275
  245. coprocessors276
  246. nikon277
  247. gaskets278
  248. microchip279
  249. engine280
  250. polyimide281
  251. accel282
  252. dipstick283
  253. headlight284
  254. bluetooth285
  255. evaporator286
  256. igniter287
  257. wires288
  258. deflectable289
  259. earpiece290
  260. wafer291
  261. devices292
  262. unit293
  263. platen294
  264. arrays295
  265. leak296
  266. flywheel297
  267. fuji298
  268. catheter299
  269. scanners300
  270. micrometer301
  271. decoder302
  272. dustproof303
  273. semiconductor304
  274. connecter305
  275. pump306
  276. recalibrates307
  277. limiter308
  278. wristband309
  279. sensitivity310
  280. converter311
  281. reticle312
  282. vehicle313
  283. programmable314
  284. diaphragm315
  285. optic316
  286. radars317
  287. cannula318
  288. photosensitive319
  289. biometrics320
  290. ammeter321
  291. capillary322
  292. detected323
  293. diodes324
  294. baseplate325
  295. spectrometers326
  296. polarimetric327
  297. connectors328
  298. gimbals329
  299. emitters330
  300. servos331
  301. resistors332
  302. battery333
  303. metrology334
  304. measurements335
  305. tracking336
  306. instrumentation337
  307. waveguide338
  308. misalignment339
  309. trackers340
  310. thermometers341
  311. circuit342
  312. chromatograph343
  313. handheld344
  314. piston345
  315. radiator346
  316. eliminator347
  317. beeper348
  318. gizmo349
  319. manifold350
  320. backplane351
  321. faulty352
  322. actuates353
  323. torque354
  324. tester355
  325. parameter356
  326. relay357
  327. scan358
  328. backlighting359
  329. stator360
  330. blower361
  331. thermostats362
  332. impedance363
  333. electronics364
  334. shutoff365
  335. motors366
  336. economizer367
  337. diverter368
  338. scintillator369
  339. spectrophotometer370
  340. multifunction371
  341. motion372
  342. resonator373
  343. chipset374
  344. ambient375
  345. electromagnetic376
  346. photoconductive377
  347. microelectronics378
  348. nozzles379
  349. mapping380
  350. proprioception381
  351. interpolation382
  352. inverter383
  353. pushbutton384
  354. conductance385
  355. transmissive386
  356. hardware387
  357. phosphor388
  358. absorbers389
  359. hydrometer390
  360. rover391
  361. emulator392
  362. scanning393
  363. subframe394
  364. immobilizer395
  365. monitors396
  366. turbocharger397
  367. reconfigurable398
  368. subsystems399
  369. measuring400
  370. motor401
  371. histidine402
  372. receptor403
  373. vapor404
  374. stepper405
  375. silicon406
  376. nosepiece407
  377. contactor408
  378. spectroscopy409
  379. recalibrated410
  380. cartridge411
  381. bimetal412
  382. intercooler413
  383. sensed414
  384. microprobe415
  385. thermal416
  386. misfire417
  387. actuate418
  388. manipulator419
  389. windshield420
  390. responsivity421
  391. spaceborne422
  392. doohickey423
  393. insole424
  394. illumination425
  395. compressor426
  396. switches427
  397. coils428
  398. dampeners429
  399. malfunctioning430
  400. bimetallic431
  401. eyepiece432
  402. casing433
  403. inductance434
  404. temp435
  405. yaw436
  406. electret437
  407. effector438
  408. kinase439
  409. interposer440
  410. smartphone441
  411. zoom442
  412. alternator443
  413. shifter444
  414. preamplifier445
  415. chemiluminescent446
  416. data447
  417. immunoassay448
  418. sony449
  419. radiometers450
  420. stabilization451
  421. noncontact452
  422. seismometers453
  423. iris454
  424. hysteresis455
  425. diffuser456
  426. integrator457
  427. bezel458
  428. turbo459
  429. deactivates460
  430. beeps461
  431. circut462
  432. radome463
  433. photocathode464
  434. electrocardiogram465
  435. fluidic466
  436. damper467
  437. impeller468
  438. wearables469
  439. cams470
  440. preprocessing471
  441. windscreen472
  442. exciter473
  443. capacitances474
  444. transponders475
  445. coupling476
  446. avionics477
  447. speedometers478
  448. pellicle479
  449. gauge480
  450. monostable481
  451. sniffer482
  452. orbiter483
  453. taillight484
  454. wire485
  455. anode486
  456. solder487
  457. concentrator488
  458. recognizer489
  459. meters490
  460. excitation491
  461. filtration492
  462. millivolts493
  463. system494
  464. receiver495
  465. hologram496
  466. chemiluminescence497
  467. transcutaneous498
  468. muffler499
  469. recalibrating500
  470. valves501

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Frequently asked

What is the Contexto answer for #66?
The Contexto #66 answer is “sensor”.
How many letters is the Contexto #66 answer?
The answer has 6 letters and starts with “S”.
What do the numbers in Contexto mean?
Every guess is ranked by how close it is in meaning to the secret word, out of 70,000 words. Rank 1 is the answer, so a lower number means you are closer.