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unguarded(Direct), adjective aboveboard, brash, candid, frank, genuine, honest, indiscreet, open, open and aboveboard, open and sincere, straightforward, up front
unguarded(Without Protection), adjective careless, defenseless, derelict, foolish, heedless, helpless, ill-considered, imprudent, inadvertent, inattentive, incautious, inconsiderate, indiscreet, injudicious, insecure, irresponsible, lax, mindless, neglectful, negligent, nonobservant, nonrestrictive, permissive, pregnable, relaxed, remiss, slack, unattended, undefended, unfortified, unheeding, unmindful, unobservant, unscreened, unsheltered, unshielded, unsuspecting, unthinking, unvigilant, unwary, unwatched, unwise, vulnerable, weaponless
Associated concepts: abandonment
See also: accessible, careless, helpless, improvident, imprudent, indefensible, lax, open, perfunctory, unaware, unsuspecting, untenable, vulnerable