good at

ADJECTIVE

efficient

Synonyms

STRONGEST

able active adept adequate capable competent decisive dynamic economical effective energetic potent powerful productive profitable skilled skillful tough useful valuable

WEAK

accomplished adapted apt businesslike clever conducive deft economic effectual efficacious equal to experienced expert familiar with fitted good for handy masterly organized practiced proficient qualified ready saving shrewd systematic talented virtuous well-organized

Antonyms

STRONGEST

delicate fragile idle impotent inactive inadequate incapable incompetent ineffective inept lazy sluggish unable unskilled unskillful useless weak worthless

WEAK

helpless inefficient powerless

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.

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good at

Once more, we’re learning there are only a few people who are good at it.

From The Wall Street Journal ● Nov. 14, 2026

Huang was anomalous in the cerebral world of computer science, as technically proficient at chip architecture as he was good at chopping it up with ordinary folks.

From MarketWatch ● Nov. 13, 2026

“Marvel is really good at building things so slowly over time until the fans are like, ‘we need this right now.’

From Los Angeles Times ● Nov. 11, 2026

Unsurprisingly, a succession of his line managers told the jury he had not been very good at his jobs.

From BBC ● Nov. 9, 2026

He had never been good at concealing difficult truths.

From "The Hiding Place" by Corrie ten Boom

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