Antonyms of adj moonstruck

1 sense of moonstruck

Sense 1
lunatic, moonstruck -- (insane and believed to be affected by the phases of the moon)

INDIRECT (VIA insane) -> sane -- (mentally healthy; free from mental disorder; "appears to be completely sane")

Similarity of adj moonstruck

1 sense of moonstruck

Sense 1
lunatic, moonstruck -- (insane and believed to be affected by the phases of the moon)
       => insane (vs. sane) -- (afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter")