Synonyms of imagination
1
: the act or power of forming a mental image of something not present to the senses or never before wholly perceived in reality
the invention only exists in his imagination
children with overactive imaginations
It's a figment of your imagination.
2
a
: creative ability
a competent writer but with little imagination
b
: ability to confront and deal with a problem : resourcefulness
Use your imagination and get us out of here.
c
: the thinking or active mind : interest
stories that fire/catch/capture the imagination
3
a
: a creative product of the mind
especially : an idealized or poetic creation
b
: fanciful or empty assumption
… she would carry the vivid imaginations away with her and brood over them the next day alone.Theodore Dreiser
c
: something that only exists in one's mind
Is it my imagination, or is it getting hot in here?

Examples of imagination in a Sentence

You can find a solution if you use a little imagination. The author does not tell us what happens to the characters. We have to use our imagination. He's a competent writer, but he lacks imagination. Is it just my imagination, or is it getting warm in here?
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This, though, was a match to fire the imagination — a rolling, shape-shifting battle that will take some living up to in the months ahead. Jack Lang, New York Times, 6 Sep. 2026 Their erasure has given them even more power in our collective imagination. Edward Keegan, Chicago Tribune, 6 Sep. 2026 Pisces February 19 – March 20 A creative idea may be ready to leave your imagination. Tarot.com, Hartford Courant, 6 Sep. 2026 Broadly speaking, great works of Russian literature have a tendency to combine painfully austere themes with strangely rich imaginations. Alison Foreman, IndieWire, 5 Sep. 2026 See All Example Sentences for imagination

Word History

Etymology

Middle English ymaginacioun, borrowed from Anglo-French & Latin; Anglo-French ymaginacion, borrowed from Latin imāginātiōn-, imāginātiō, from imāginārī "to imagine" + -tiōn-, -tiō, suffix of verbal action

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of imagination was in the 14th century

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Cite this Entry

“Imagination.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imagination. Accessed 7 Sep. 2026.

Kids Definition

imagination

noun
1
: the act or power of forming a mental picture of something not present and especially of something one has not known or experienced
2
: creative ability
3
: a creation of the mind

Medical Definition

imagination

noun
: an act or process of forming a conscious idea or mental image of something never before wholly perceived in reality by the one forming the images (as through a synthesis of remembered elements of previous sensory experiences or ideas as modified by unconscious defense mechanisms)
also : the ability or gift of forming such conscious ideas or mental images especially for the purposes of artistic or intellectual creation

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