"balmiest" in the adjective sense
1. balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky
informal or slang terms for mentally irregular
"it used to drive my husband balmy"
2. balmy, mild, soft
mild and pleasant
"balmy days and nights"
"the climate was mild and conducive to life or growth"
"a soft breeze"
Source: WordNet® (An amazing lexical database of English)
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