1
hawk-eyed
1
heads up(expression, sharp, bright, lively, alert)
1
hesitant
1
hip(sharp, bright, lively, alert, attentive)
1
hooked(adjective, alert, careful, cautious, attentive)
1
in defense
1
in opposition(expression, adjective, obstructive, defensive, recalcitrant)
1
in order(expression, set, ready, qualified, willing)
1
in readiness(expression, adjective, set, ready, qualified)
1
in self-defense
1
inclined(adjective, set, ready, qualified, willing)
1
jazzed(sharp, bright, lively, alert, attentive)
1
judicious
1
keen(adjective, anxious, alert, careful, cautious)
1
leaving out nothing(expression, idiom)
1
lidless
1
lively(sharp, bright, alert, aware, attentive)
1
looking for(expression, keen, anxious, alert, careful)
1
looking to(expression, keen, anxious, alert, careful)
1
minded(adjective, set, ready, qualified, willing)
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). on guard thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/on_guard/thesaurus/synonyms
ChicagoSmart Define. 2015. "on guard thesaurus" https://smartdefine.org/on_guard/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, on guard thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>.
MLASmart Define. "on guard thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms>