imperceptible
/ˌɪmpəˈsɛptɪbəl/adjective
Not perceptible, not detectable, too small in magnitude to be observed.
Example sentence
- “We all missed the imperceptible shake of his head as he tried to warn us without being seen.”
Featured as word of the day on March 8, 2028.
Related words
imperturbableNot easily perturbed, upset or excited.imperativeEssential; crucial; extremely important.impetuousMaking arbitrary decisions, especially in an impulsive and forceful manner.impedeTo get in the way of; to hinder.implementA tool or instrument for working with.impeccableIn accordance with the highest standards; faultless.