apt to forget; that forgets: a forgetful person.
heedless or neglectful (often followed by of): to be forgetful of others.
bringing on oblivion: forgetful slumber.

Origin of forgetful

Middle English word dating back to 1350–1400; see origin at forget, -ful
Related formsfor·get·ful·ly, adverbfor·get·ful·ness, nounqua·si-for·get·ful, adjectivequa·si-for·get·ful·ly, adverbun·for·get·ful, adjectiveun·for·get·ful·ly, adverbun·for·get·ful·ness, noun

Synonyms for forgetful Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for forgetful

Contemporary Examples of forgetful

Historical Examples of forgetful

  • You see, Uncle Paul, you are growing old and forgetful, and might lock me in again.

    Brave and Bold

    Horatio Alger

  • In case I was forgetful, please let me impress the fact upon you now.

    The Avenger

    E. Phillips Oppenheim

  • The horror of it all was too much for her; in her great dread and sorrow she was forgetful of all beside.

    The Downfall

    Emile Zola

  • And again, if he is forgetful and retains nothing of what he learns, will he not be an empty vessel?

  • He proved this by wasting no time in telling the forgetful Jackson what he thought of him.

    The Depot Master

    Joseph C. Lincoln

British Dictionary definitions for forgetful



tending to forget
(often postpositive foll by of) inattentive (to) or neglectful (of)
poetic causing loss of memory
Derived Formsforgetfully, adverbforgetfulness, noun
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

Word Origin and History for forgetful

late 14c., from forget + -ful. Related: Forgetfully; forgetfulness.

Online Etymology Dictionary, © 2010 Douglas Harper