on one's guard
11be on one's guard — index beware Burton s Legal Thesaurus. William C. Burton. 2006 …
12put on one's guard — index alert, notice (give formal warning) Burton s Legal Thesaurus. William C. Burton. 2006 …
13off one's guard — adjective not prepared or vigilant the blow caught him napping caught in an off guard moment found him off his guard • Syn: ↑napping, ↑off guard, ↑off guard, ↑off his guard, ↑off her guard, ↑ …
14off one's guard — off guard the explosion from the furnace room caught everyone off guard Syn: unprepared, unready, inattentive, unwary, with one s defenses down, cold, unsuspecting; informal napping, asleep at the wheel …
15on one's guard — homeowners should be on their guard Syn: vigilant, alert, on the alert, wary, watchful, cautious, careful, heedful, chary, circumspect, on the lookout, on the qui vive, on one s toes, prepared, ready, wide awake, attentive, observant …
16off (one's) guard — UNPREPARED, unready, inattentive, unwary, with one s defences down, cold, unsuspecting; informal napping, asleep at the wheel, on the hop. → guard …
17drop one's guard — abandon one s habitual defensive or watchful stance. → drop …
18drop one's guard — abandon one s habitual defensive or protective stance …
19Guard — Guard, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See {Guard}, v. t.] [1913 Webster] 1. One who, or that which, guards from injury, danger, exposure, or attack;… …
20Guard boat — Guard Guard, n. [OF. guarde, F. garde; of German origin; cf. OHG. wart, warto, one who watches, warta a watching, Goth. wardja watchman. See {Guard}, v. t.] [1913 Webster] 1. One who, or that which, guards from injury, danger, exposure, or… …