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[noh-ti-suh-buh l] /ˈnoʊ tɪ sə bəl/
attracting notice or attention; capable of being noticed:
a noticeable lack of interest.
worthy or deserving of notice or attention; noteworthy:
a book that is noticeable for its vivid historical background.
Origin of noticeable
1790-1800; notice + -able
Related forms
noticeability, noun
noticeably, adverb
unnoticeable, adjective
unnoticeableness, noun
unnoticeably, adverb
Can be confused
notable, noteworthy, noticeable.
1. conspicuous, prominent 2. notable.
1. inconspicuous. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for unnoticeable
  • The seismic trails and two-track trails vary from faint and obscure to bladed scars and substantially unnoticeable roads.
  • The long term effects of this spill are likely to be unnoticeable.
  • Call it over-corporation the market or whatever you want, but the fact is hardly unnoticeable.
  • But these puzzle pieces move, usually at the unnoticeable pace of only a few inches every year.
  • The spacecraft's own shadow, unnoticeable at first, will grow in size and slide westward across the ground.
  • As with any phenomenon of exponential growth, the increases are so slow at first as to be virtually unnoticeable.
  • Some pick at an unnoticeable mark on their skin until they do indeed have a visible lesion.
  • Cowl shake on our convertible was unnoticeable on smooth pavement, and never more than moderate on any surface.
  • Upshifts on the test drive were impeccable, almost unnoticeable.
  • The holes are expected to be so small that they are unnoticeable.
British Dictionary definitions for unnoticeable


not easily seen or detected; imperceptible
Derived Forms
unnoticeably, adverb


easily seen or detected; perceptible: the stain wasn't noticeable
Derived Forms
noticeability, noun
noticeably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unnoticeable



1796, "worthy of notice," from notice (n.) + -able. Meaning "capable of being noticed" is from 1809. Related: Noticeably.

Online Etymology Dictionary, © 2010 Douglas Harper
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