Synonyms:
- Argus-eyed,
- advertent,
- agog,
- alert,
- all ears,
- all eyes,
- assiduous,
- attentive,
- aux aguets,
- aware,
- careful,
- cautious,
- chary,
- circumspect,
- concentrated,
- conscious,
- covering,
- custodial,
- defensive,
- diligent,
- eagle-eyed,
- earnest,
- finical,
- finicking,
- finicky,
- fostering,
- guarded,
- guardian,
- guarding,
- hawk-eyed,
- heedful,
- immunizing,
- intense,
- intent,
- intentive,
- keen-eyed,
- lidless,
- meticulous,
- mindful,
- nice,
- niggling,
- observant,
- observing,
- on guard,
- on the ball,
- on the job,
- on the lookout,
- on the watch,
- open-eared,
- open-eyed,
- openmouthed,
- parental,
- preventive,
- prompt,
- prophylactic,
- protecting,
- protective,
- prudent,
- quick,
- ready,
- regardful,
- safeguarding,
- screening,
- sharp-eyed,
- sheltering,
- shielding,
- sleepless,
- tutelary,
- unsleeping,
- vigilant,
- wakeful,
- wary,
- wide-awake,
- with open eyes