Antonyms of adj fast_asleep

1 sense of fast asleep

Sense 1
fast asleep (predicate), sound asleep (predicate) -- (sleeping deeply; "lying fast asleep on the sofa"; "it would be cruel to wake him; he's sound asleep")

INDIRECT (VIA asleep) -> awake -- (not in a state of sleep; completely conscious; "lay awake thinking about his new job"; "still not fully awake")

Similarity of adj fast_asleep

1 sense of fast asleep

Sense 1
fast asleep (predicate), sound asleep (predicate) -- (sleeping deeply; "lying fast asleep on the sofa"; "it would be cruel to wake him; he's sound asleep")
       => asleep (predicate) (vs. awake) -- (in a state of sleep; "were all asleep when the phone rang"; "fell asleep at the wheel")