Grave
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good, earsplitting, harmless, crazy, advantageous, dotty, noncrucial, asinine, minor, half-witted, penetrating, fatuous, mad, jesting, wacky, safe, beneficial, high, sharp, screwball, tinny, ridiculous, unimportant, uproarious, high-pitched, innocuous, zany, noncritical, insignificant, little, lite, senseless, unserious, piping, inconsequential, funny, frivolous, excited, nutty, loony, foolish, joking, thin, kittenish, agitated, Weak-minded, trivial, nonhazardous, witless, preposterous, jerky, slight, piercing, balmy, small, unwise, strident, daft, lively, insane, cheerful, silly, lunatic, innocent, Daffy, hilarious, kooky, light, cuckoo, brainless, acute, sappy, cockeyed, happy, absurd, nonsensical, boisterous, unthreatening, squealing, Peeping.