bright-eyed and bushy-tailed
bright
noun
uk /braɪt/ us /braɪt/
 brights[ plural ]USinformal(UKfull beam[ U ])
A car's brights are its headlights (= the powerful lights at the front) when they are brightest and aimed straight ahead: 车头灯，前灯
You can't just go around driving with your brights on.

bright | American Dictionary

bright
adjective
us/brɑɪt/

brightadjective (LIGHT)

[ -er/-est only ]
full of light, or shining:
the bright lights of downtown

brightadjective (COLOR)

[ -er/-est only ]
strong in color:
a bright green hat

brightadjective (INTELLIGENT)

[ -er/-est only ]
(of a person) intelligent and quick to learn:
He’s a bright, well-organized guy.
She was full of bright ideas.

brightadjective (HAPPY)

full of hope or happiness:
He has a bright future ahead of him.

brightness

noun[ U ]us/ˈbrɑɪt·nəs/
The brightness of the summer day made him blink.

bright | Business English

bright
adjective
uk /braɪt/us
FINANCE, STOCK MARKET
used to describe a financial market where prices are rising and there is a lot of activity:
Trading was bright with shares up just over 1% at 103.85p.
full of hope for success:
a bright future
be/look bright for sb/sthThe outlook is bright for Asian stock markets.

Examples of bright

bright
Even to the brightest and most ambitious of these writers, primary-school teaching seemed the ultimate social and educational achievement imaginable.
In addition to the characteristic calcite bands the reflectance for this sample is much brighter than that of the other sediments.
Conversely, if the comparison disk appeared brighter than the target disk, its luminance was decreased on the next trial by the same amount.
Thus, the following experiments were performed using only the brightest background.
However, only the brightest background was used in these experiments.
In this study, we found that coupled ganglion cells in rabbit retina were occasionally brighter than any coupled amacrine cells.
Two people may have the same degree in a certain field, but one may still be brighter than the other.
Would it be safe to say that bioethics' best and brightest were following these developments in baseball?
In this environment, the focus was on the newest, the brightest and the showiest lights.
The teff determined for the brightest intensity was used for subsequent lower intensities.
The surface will appear much brighter to one eye than to the other.
The brightest lights in the profession recognized that emergency management lacked coherence.
An intensity of 0 was a dark screen and 255 was the brightest the monitor could be set.
In future experiments, we plan to employ much brighter point-source stimuli which are more comparable to natural irradiances and may reveal more extensive spatial receptive fields.
In one version, they seem to be talking of a conceptual process that abstract relationships such as taller than, brighter than, same as, different from, and so forth.
See all examples of bright
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.