on ones toes (adjective) alert: attentive, lively
Sinonime: anonymous, disregarded,
forgotten, nameless,
neglected,
overlooked, unacclaimed, unacknowledged, undistinguished, unfamed, unglorified, unhailed, unhonored,
unknown, unnamed, unrecognized, unrenowned
Antonime: asleep, drowsy,
inattentive,
lethargic,
sluggish, unobservant,
weary