in key

Idioms  

1. In harmony with other factors, in a matching style, as in This furniture is perfectly in key with the overall design. This term uses key in the musical sense, that is, “a scheme of notes related to one another.” The antonym, out of key, means “not in harmony with other factors,” or “unsuitable,” as in He is out of key with his time. [c. 1900]

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Example Sentences

See Examples For:

in key

The prices reflect demand from refiners and competition among exporters, making them a closely watched gauge of market conditions in key consuming regions.

From The Wall Street Journal ● Oct. 5, 2026

The legislation also attempts to minimize labor disruptions in key trade-focused parts of the economy like railways and ports.

From The Wall Street Journal ● Sep. 23, 2026

But Dowman, especially considering Arteta turned to him in key moments in last season's title race, will hope to gain more of a supporting role.

From BBC ● Sep. 15, 2026

Try saying “Tú creías que eras imprescindible” five times fast and in key.

From Los Angeles Times ● Sep. 4, 2026

As she read her voice was louder and seemed to shift in key.

From "Interpreter of Maladies" by Jhumpa Lahiri