Imperceptible

(adj) Difficult to perceive by the senses; barely noticeable

Sentences

  • When I had my headphones over my ears, the noise outside was imperceptible.

  • The shoplifter’s actions were almost imperceptible to the security guard.


Synonyms

-Unnoticeable

-Undetectable

-unseen

Antonyms

-noticeable

-obvious

-evident

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SAT Vocabulary Words and Definitions — Imperceptible