Definitions

incredulous

[in-krej-uh-luhs] / ɪnˈkrɛdʒ ə ləs /

ADJECTIVE

unbelieving

Synonyms

STRONGEST

doubtful hesitant quizzical skeptical suspicious unconvinced unsatisfied

WEAK

disbelieving distrustful doubting dubious mistrustful questioning show-me suspect uncertain wary

Antonyms

STRONGEST

believing certain definite sure unquestionable

WEAK

convinced credulous

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.

"Now our street is almost full, and more people are on their way," she said with an incredulous laugh, a bashful smile lighting up her face.

From Barron's • Apr. 22, 2026

Travelers at the airport Monday who heard about the vote were incredulous.

From Los Angeles Times • Mar. 9, 2026

I ask, slightly incredulous at how this detail has only emerged 29 years later.

From BBC • Jan. 4, 2026

The post drew 1.4 million views—and a flurry of incredulous comments.

From The Wall Street Journal • Dec. 2, 2025

I must give him an incredulous look without meaning to, because he shakes his head.

From "Allegiant" by Veronica Roth

Vocabulary lists containing incredulous

The SAT: Words to Capture Tone, List 1

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

The Outsiders

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Lord of the Flies

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!