moony

adjective, moon·i·er, moon·i·est.

1. dreamy, listless, or silly.
2. pertaining to or characteristic of the moon.
3. moonlit.

adjective moonier or mooniest

1. informal dreamy or listless
2. of or like the moon
3. British slang crazy or foolish

adj.1580s, “like the moon;” 1848, “dreamy, listless,” from moon (n.) + -y (2). Cf. moon (v.).