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be up on

ADJECTIVE
mindful
Synonyms
STRONGEST
apprehensive careful cautious cognizant conscious conversant knowledgeable observant respectful solicitous vigilant wary watchful
WEAK
alert alive to au courant cagey chary conscientious heedful in the know know all the answers know ins and outs knowing observative observing on one's toes on the ball on the job on to plugged in regardful sensible thoughtful tuned-in with eyes peeled
Antonyms
STRONGEST
careless heedless ignorant inattentive incautious indifferent indiscreet negligent quiet rash thoughtless unafraid unaware uncareful uninformed unmindful unobservant unworried
WEAK
absent-minded

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Tune in to be up on the latest reads and learn a bit about American history in the process.

From The Wall Street Journal ● Oct. 13, 2026

“Shares should be up on the strong Q3 numbers, and given Ferrari’s recent post-CMD pullback,” Naryan added.

From Barron's ● Nov. 4, 2025

“News flow on the AI and the autonomous vehicle front is getting better. The stock could be up on any update on those efforts,” Belton adds.

From MarketWatch ● Oct. 15, 2025

Another, Aomar Ait Khedache, will be up on Wednesday - but he is now nearly deaf and mute and will have to write his answers down on a piece of paper.

From BBC ● Apr. 29, 2025

Every morning after she finished her exercises, she read the paper cover to cover so that she would be up on her current events.

From "Beauty Queens" by Libba Bray

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