Word Study
off balance |
off base |
off chance |
off color |
off duty |
off guard
| off her guard
| off his guard
| off key
| off limits
| off one's guard
off guard
WORDNET DICTIONARY
Adjective off guard has 1 sense
- off guard(s = adj.all) napping, off her guard, off his guard, off one's guard, off your guard, off-guard - not prepared or vigilant; "the blow caught him napping"; "caught in an off-guard moment"; "found him off his guard"
THESAURUS
off guard
asleep, culpably negligent, derelict, goofing off, inadvertent, inattentive, incautious, laissez-faire, lax, loose, napping, neglectful, neglecting, negligent, nodding, noninterfering, nonrestrictive, overly permissive, permissive, procrastinating, relaxed, remiss, scamping, skimping, slack, sleeping, slighting, slurring, unalert, uncautious, uncircumspect, unguarded, unprepared, unready, unrigorous, unvigilant, unwary, unwatchful
For further exploring for "off guard" in Webster Dictionary Online