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upon one's guard synonyms

Trying to find another word for upon one's guard in English? No problem. Our thesaurus contains synonyms of upon one's guard in 13 different contexts. We have listed all the similar and related words for upon one's guard alphabetically.

  • active
  • all ears
  • bright
  • cagey
  • careful
  • circumspect
  • clever
  • fast on the draw
  • good hands
  • heads up
  • heedful
  • hip
  • intelligent
  • jazzed
  • observant
  • on guard
  • on one's toes
  • accurate
  • alert
  • apprehensive
  • assiduous
  • attentive
  • chary
  • choosy
  • circumspect
  • concerned
  • conscientious
  • conservative
  • cool
  • deliberate
  • discreet
  • exacting
  • fastidious
  • finicky
  • alert
  • all ears
  • cagey
  • calculating
  • chary
  • circumspect
  • considerate
  • discreet
  • forethoughtful
  • gingerly
  • hedging one's bets
  • heedful
  • judicious
  • keeping on one's toes
  • leery
  • on the lookout
  • playing it cool
  • arresting
  • averting
  • balking
  • checking
  • conservative
  • coping with
  • defending
  • foiling
  • forestalling
  • frustrating
  • guarding
  • in opposition
  • interrupting
  • opposing
  • preservative
  • preventive
  • protecting
  • attentive
  • cagey
  • calculating
  • canny
  • careful
  • cautious
  • chary
  • circumspect
  • discreet
  • gingerly
  • leery
  • noncommittal
  • on the lookout
  • overcareful
  • overcautious
  • prudent
  • reserved
  • careful
  • conscientious
  • mindful
  • observant
  • thoughtful
  • advertent
  • alive
  • attentive
  • bright
  • clear-sighted
  • comprehending
  • considering
  • contemplating
  • correct
  • deducing
  • detecting
  • discerning
  • discovering
  • discriminating
  • eager
  • eagle-eyed
  • heedful
  • alert
  • averting
  • cautious
  • checking
  • defending
  • expectant
  • guarding
  • preservative
  • preventive
  • protecting
  • safeguarding
  • vigilant
  • warding off
  • watchful
  • withstanding
  • active
  • all ears
  • bright
  • cagey
  • careful
  • circumspect
  • clever
  • fast on the draw
  • good hands
  • heads up
  • heedful
  • hip
  • intelligent
  • jazzed
  • observant
  • on guard
  • on the ball
  • active
  • all ears
  • bright
  • cagey
  • careful
  • circumspect
  • clever
  • fast on the draw
  • good hands
  • heads up
  • heedful
  • hip
  • intelligent
  • jazzed
  • observant
  • on guard
  • on one's toes
  • alert
  • all ears
  • attentive
  • careful
  • cautious
  • chary
  • circumspect
  • glued
  • guarded
  • heedful
  • hooked
  • keen
  • not missing a trick
  • observant
  • on guard
  • on one's toes
  • on the ball
  • acute
  • agog
  • alert
  • anxious
  • attentive
  • aware
  • cautious
  • circumspect
  • guarded
  • keen
  • looking for
  • looking to
  • observant
  • on alert
  • on guard
  • on the ball
  • on the job
  • alert
  • all ears
  • attentive
  • careful
  • cautious
  • chary
  • circumspect
  • glued
  • guarded
  • heedful
  • hooked
  • keen
  • not missing a trick
  • observant
  • on guard
  • on one's toes
  • on the ball

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