Synonyms of guard in English:

guard

verb

  • 2 the prisoners were guarded by armed men
    keep under surveillance, keep under guard, keep watch over, mind, supervise, restrain, control
  • 3 the forest wardens have to guard against poachers
    beware of, keep watch for, be alert to, take care for, keep an eye out for, be on the alert for, be on the qui vive for, be on the lookout for
    informal keep one's eyes peeled/skinned for

noun

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  • 4 all machines must be fitted with a guard
    safety guard, safety device, protective device, shield, bulwark, screen, fence, fender, bumper, buffer, cushion, pad

Phrases

off (one's) guard

he was caught off guard when the man charged towards him
[Antonyms] prepared
unpreparedunreadyinattentiveunwaryunwatchfulwith one's defences downby surprisecoldunsuspecting informalnappingasleep on the jobasleep at the wheelon the hop

on one's guard

police are urging horse owners to be on their guard
[Antonyms] inattentive
vigilantalerton the alertwarywatchfulcautiouscarefulheedfulcharycircumspecton the lookouton the qui viveon one's toespreparedreadywideawakeattentiveobservantkeeping one's eyes peeled informalall earsbeady-eyedon the ballnot missing a trickkeeping a weather eye on thingscageyleery rareregardfulArgus-eyed

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