increase in (something)

increase in (something)

To develop a particular quality or aptitude over time. Bobby has increased in maturity so much this summer—he's not the troublemaker he once was.
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Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

increase in something

to grow or expand in some quality. He increased in stature and wisdom. The tree increased in size every year.
See also: increase
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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