(redirected from brightened)
Also found in: Dictionary, Thesaurus.

brighten up

1. To add color, light, or cheer to a space (perhaps one that is dim, dark, or gloomy). I can't wait for the flowers I planted to blossom into beautiful colors and brighten up our yard. A new paint color really brightened up that old house.
2. To make something lighter in color. I'm thinking of brightening up my hair with some blonde highlights. It really looks like rain right now—I'd wait to go out until the sky brightens up a bit.
3. To become happier in mood, especially after one has been glum or sad. Your mother really brightened up when she got the flowers you sent.
See also: brighten, up

brighten up (the) day

To make a situation more pleasant or enjoyable; to make one happier. Finding $20 on my way home really brightened up my day! Janice is such a good friend. Talking to her always brightens up the day.
See also: brighten, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

brighten up

to become brighter; to lighten, especially with sunshine. The sky is brightening up a little. When the morning sky brightens up just a little, the birds begin to sing.
See also: brighten, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

brighten up

1. To become brighter or more intense in color: The sky brightened up quickly as the clouds dispersed.
2. To make something brighter or more intense in color: Some red paint will brighten up this dreary room. Put some yellow into the dye to brighten it up.
3. To become happier; improve one's mood or outlook: He brightened up after you began talking with him.
4. To make someone happier or more cheerful: The sunny weather brightened up the tired travelers. A cool glass of lemonade would brighten me up right now.
See also: brighten, up
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also:
References in periodicals archive ?
Scientists think Comet ISON stopped expelling dust at perihelion, even though it briefly brightened a bit right afterward.
It brightened our days and nights as we loaded the Saudi Hofuf.
Standard features include large- and small-area measurement with automated lens change, automated specular component inclusion/exclusion, and uv calibration and control for accurate measurement of optically brightened materials.
Downtown's immediate prospects have also brightened because of the success of the competing Midtown and New Jersey markets, Mrs.
In this way, the eye saw the image as brightened and expanded.
CHILDREN brightened up their Coventry school with costume dancing as they celebrated Diwali and Bonfire Night.
It went on like silk and my skin was visibly brightened after the first time I used it.
Summary: A possible electoral alliance between Congress and regional heavyweight Samajwadi party brightened on Monday after chinks appeared in the relationship between the two last week.
It brightened for one minute and faded out in the next several.
A skin-firming moisturiser with antioxidants and iridescent mica, we tested Pearl which brightened skin and gave it a soft natural shimmer.
Underwater creatures from pupils' favourite stories have brightened rooms at Baden Powell Primary School, Tremorfa, Cardiff.
The first sign that the comet might be undergoing some kind of upheaval came in March, when the body suddenly brightened. Brightening is often a sign of a cometary breakup, which exposes new surfaces to sunlight and vents trapped ice and gas that are then illuminated by the sun.
The work was undertaken over two days by a team of eight volunteers from the Midland company, who even brightened up a fence surrounding the area by turning it into a jungle montage with brightly-painted animals.
Some time before Uranus reached the star, the starlight suddenly dimmed and brightened several times.