Thesaurus.com
Thesaurus / be up on
FEEDBACK

synonyms for be up on

  • apprehensive
  • careful
  • cautious
  • cognizant
  • conscious
  • conversant
  • knowledgeable
  • observant
  • respectful
  • solicitous
  • vigilant
  • wary
  • watchful
  • 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
Meet Grammar Coach
Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar Coach
Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

antonyms for be up on

MOST RELEVANT
  • careless
  • heedless
  • ignorant
  • inattentive
  • incautious
  • indifferent
  • indiscreet
  • negligent
  • quiet
  • rash
  • thoughtless
  • unafraid
  • unaware
  • uncareful
  • uninformed
  • unmindful
  • unobservant
  • unworried
  • absent-minded
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
QUIZ
Do You Get Verklempt Thinking About Last Week’s Words?
START THE QUIZ
SYNONYM OF THE DAY
JULY 27, 2021
Choose the synonym for question
indulge

WORDS RELATED TO BE UP ON

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD OF THE DAY

noeticadjective | [noh-et-ik ]SEE DEFINITION