Definitions

unrealistic

ADJECTIVE

not believable or practical

Synonyms

STRONGEST

impossible impractical improbable quixotic silly unreal unworkable

WEAK

blue-sky floating gone half-baked impracticable ivory-tower nonrealistic nonsensical not applicable not sensible on cloud nine reachy romantic starry-eyed theoretical

Antonyms

STRONGEST

believable possible practical sensible tenable

WEAK

pragmatic realistic reasonable

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.

This can lead to unrealistic expectations about how reliable or capable AI is.

From Science Daily • Apr. 19, 2026

Even if Wales had qualified, the fact he had not played any football for seven months made that an unrealistic aim.

From BBC • Apr. 7, 2026

Forcing open the strait militarily is unrealistic, French President Emmanuel Macron said Thursday.

From The Wall Street Journal • Apr. 4, 2026

President Emmanuel Macron earlier said a military operation to free the waterway is "unrealistic."

From Barron's • Apr. 3, 2026

"It's unrealistic to live your life within such strict parameters."

From "Me Talk Pretty One Day" by David Sedaris