adverb (fukushi), adverb taking the 'to' particle, onomatopoeic or mimetic
1. creaking; squeakingadverb (fukushi), adverb taking the 'to' particle, adjectival nouns or quasi-adjectives (keiyodoshi), onomatopoeic or mimetic
2. packing in tightly; cramming; squeezingadverb (fukushi), adverb taking the 'to' particle, onomatopoeic or mimetic
3. hard (pressing, tying, twisting, etc.); tightly; with forceadverb (fukushi), adjectival nouns or quasi-adjectives (keiyodoshi), nouns which may take the genitive case particle 'no', onomatopoeic or mimetic
4. going hard (on someone); tormenting (e.g. with questions)