Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Thesaurus

sensor

noun

Synonyms and Antonyms of sensor

a device that detects some physical quantity and responds usually with a transmitted signal

  • the cat accidentally triggered the motion sensor, which set off the alarm
Synonyms of sensor

detector
Words Related to sensor

eye

electric eye, photoelectric cell

alarm (also alarum), trigger

Learn More about sensor

  1. See words that rhyme with sensor Dictionary: Definition of sensor Medical Dictionary: Definition of sensor Spanish Central: Translation of sensor Nglish: Translation of sensor for Spanish speakers Britannica English: Translation of sensor for Arabic speakers Britannica.com: Encyclopedia article about sensor

Seen and Heard

What made you want to look up sensor? Please tell us where you read or heard it (including the quote, if possible).

show comments hide comments

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games