Antonyms of adj supine

2 senses of supine

Sense 1
supine, resupine -- (lying face upward)

INDIRECT (VIA unerect) -> erect, vertical, upright -- (upright in position or posture; "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright")

Sense 2
resistless, supine, unresisting -- (offering no resistance; "resistless hostages"; "No other colony showed such supine, selfish helplessness in allowing her own border citizens to be mercilessly harried"- Theodore Roosevelt)

INDIRECT (VIA passive) -> active -- (disposed to take action or effectuate change; "a director who takes an active interest in corporate operations"; "an active antagonism"; "he was active in drawing attention to their grievances")

Similarity of adj supine

2 senses of supine

Sense 1
supine, resupine -- (lying face upward)
       => unerect (vs. erect) -- (not upright in position or posture)

Sense 2
resistless, supine, unresisting -- (offering no resistance; "resistless hostages"; "No other colony showed such supine, selfish helplessness in allowing her own border citizens to be mercilessly harried"- Theodore Roosevelt)
       => passive (vs. active), inactive -- (lacking in energy or will; "Much benevolence of the passive order may be traced to a disinclination to inflict pain upon oneself"- George Meredith)