Dictionary.com
Thesaurus.com
Synonyms

forgetful

American  
[fer-get-fuhl] / fərˈgɛt fəl /

adjective

  1. apt to forget; that forgets.

    a forgetful person.

    Synonyms:
    unmindful, inattentive, absent-minded
  2. heedless or neglectful (often followed byof ).

    to be forgetful of others.

  3. bringing on oblivion.

    forgetful slumber.


forgetful British  
/ fəˈɡɛtfʊl /

adjective

  1. tending to forget

  2. inattentive (to) or neglectful (of)

  3. poetic causing loss of memory

"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

Other Word Forms


Etymology

Origin of forgetful

Middle English word dating back to 1350–1400; see origin at forget, -ful


Explanation

To be forgetful is to be absentminded. When you're forgetful, things tend to slip your mind. People can be forgetful if they really can’t remember things, or if they’re just not paying attention. When you're forgetful, you forget all kinds of things! A forgetful person misses deadlines and forgets about their spouse's anniversary. Forgetful people are often spacy and careless; they're not mindful of what they should be doing. A forgetful gardener might forget to water the plants and go for a walk instead. If you’re late, you’re forgetful of the time. If you’re forgetful, don’t get a pet. Even goldfish need attention!

Keep Reading on Vocabulary.com

Vocabulary lists containing forgetful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For the uninitiated, the forgetful or the significant others who will dutifully sit along and watch, here’s a primer to catch you up to speed:

From Los Angeles Times ● Sep. 9, 2026

K Callan, the actor, is having a moment, showered with praise fo her turn as Ruth, the forgetful secretary to Matthew Rhys’ Mayor Tom Loftis, in Apple TV‘s hit horror quasi-comedy “Widow’s Bay.”

From Los Angeles Times ● Jul. 9, 2026

He’s raced to find ivory shoes for a forgetful groomsman and led a prayer to calm a jittery future husband.

From The Wall Street Journal ● May 19, 2026

"Pregnancy places a huge metabolic load on your body," she says, "so you may have less energy and less sleep and feel less alert and forgetful."

From BBC ● Mar. 4, 2026

He thinks of Granny, not yet this old, but blind, forgetful, full of needs that must be cared for and tales everyone half listens to.

From "Farewell to Manzanar" by Jeanne Houston

Random Word

Spin the wheel and learn a new word!

Get a word


Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com