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lighten up

 - 3 dictionary results
light·en 2   (līt'n)   
v.   light·ened, light·en·ing, light·ens

v.   tr.

  1. To make less heavy.

  2. To lessen the oppressiveness, trouble, or severity of. See Synonyms at relieve.

  3. To relieve of cares or worries; gladden.

v.   intr.

  1. To become less in weight.

  2. To become less oppressive, troublesome, or severe.

  3. To become cheerful.

Phrasal Verb(s):
lighten up Informal To take matters less seriously: Everything will work out fine, so stop worrying and lighten up.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Financial Dictionary

lighten up

To reduce, but not eliminate, a particular security position when the investor feels that the security constitutes too much of the portfolio's total value, or when the investor is feeling less bullish on the security. In either case, a residual position in the security is maintained.

Wall Street Words: An A to Z Guide to Investment Terms by David L. Scott.
Copyright © 2003. Published by Houghton Mifflin.
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Idioms & Phrases

lighten up

Become or cause to become less serious or gloomy, and more cheerful. For example, Lighten up, Samit'll turn out all right. This slangy expression transfers reducing a physical weight to a change of mood or attitude.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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