by seat of pants (adjective) instinctive: reflex, automatic
Sinonime: BVDs, G-string, bikini, boxer shorts, boxers, bra, briefs, corset, drawers, intimate things, jockey shorts, jockeys, lingerie, loincloth, long johns, panties, shorts, skivvies, smallclothes, underclothes, underclothing, undergarment, underpants, undershirt, underthings, undies
Antonime: conscious,
deliberate, meditated,
reasonable,
sensible