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key

Definition for key

adjective as in essential, important

noun as in item that unlocks

noun as in answer, solution

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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.

His coauthor, Aswin Suresh, a graduate student in physics and astronomy at Northwestern’s Weinberg College of Arts and Sciences, played a key role in the analysis.

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Keeping those marginal rates permanently intact was a key feature of the law, which the Republican-controlled House and Senate passed along party lines.

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Casting agents say the most successful candidates have a few key qualities, but there is one big requirement for all: you must talk about your feelings.

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But homeownership remains a key part of the American dream, even if it’s increasingly out of reach for many.

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The EU Court of Justice on Thursday handed Greece a heavy daily fine for failing to shut down an illegal landfill in a key marine park on the tourist island of Zakynthos.

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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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