Definitions

incapable

[in-key-puh-buhl] / ɪnˈkeɪ pə bəl /

ADJECTIVE

not adequate; helpless

Synonyms

STRONGEST

impotent inadequate incompetent ineffective ineligible naive powerless unable unfit unqualified unsuited weak

WEAK

butterfingers disqualified feeble inept inexperienced inexpert inproficient insufficient losing not equal to not up to poor uncool unequipped unskilled unskillful

Antonyms

STRONGEST

able adequate capable competent effective experienced fit potent qualified ready skillful strong sufficient suitable

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.

Short seller Iceberg Research alleged in late 2024 that the first facility was a tiny lab incapable of mass production, providing photos and floor plans to support its claim.

From Barron's • May 11, 2026

But there is one phenomenon that the game’s Ivy League whiz kids have proven completely incapable of figuring out: how the Milwaukee Brewers are always so good.

From The Wall Street Journal • May 4, 2026

Elsewhere, a couple of people scrolled on their mobiles, seemingly incapable of focusing on the big screen.

From BBC • Apr. 24, 2026

But I also understand the rage of taxpayers who wonder why Los Angeles City Hall is so incapable of managing the basics.

From Los Angeles Times • Apr. 18, 2026

He was incapable of entering any room quietly, especially at breakfast time.

From "Matilda" by Roald Dahl

Vocabulary lists containing incapable

The Watsons Go to Birmingham

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!

"To Kill a Mockingbird" by Harper Lee, Chapters 12–15

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

A Wrinkle in Time

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!