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Dictionary.com
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.

Over the past year, the world’s largest oil exporter began pulling back on many of its promised projects and investments, met with budget shortfalls and unrealistic designs.

From The Wall Street Journal • Apr. 6, 2026

Examples include fabricating legal cases or producing images with unrealistic details such as extra fingers.

From Science Daily • Apr. 5, 2026

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

From Barron's • Apr. 3, 2026

“We should not spend over $150 million of public funds to reduce baseless, unscientific, unrealistic concerns about service tunnel noise from a very deep tunnel,” said Thomas Smith, a longtime Angeleno.

From Los Angeles Times • Mar. 26, 2026

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

From "Me Talk Pretty One Day" by David Sedaris