WordNet

not tight; not closely constrained or constricted or constricting; "loose clothing"; "the large shoes were very loose"
without restraint; "cows in India are running loose" (同)free
(of textures) full of small openings or gaps; "an open texture"; "a loose weave" (同)open
not tense or taut; "the old mans skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope" (同)slack
(of a ball in sport) not in the possession or control of any player; "a loose ball"
not carefully arranged in a package; "a box of loose nails"
not compact or dense in structure or arrangement; "loose gravel"

PrepTutorEJDIC

『結んでない』,解けている,ばらの / 『解き放たれた』,自由な(free) / 『緩い』,だぶだぶの;ぐらぐらの / 『散漫な』,不正確な,あいまいな / 大ざっぱな,漠然とした / (行為などが)だらしのない,ふしだらな / (織物などが)目の粗い / …‘を'『放す』,自由にする(set free) / …‘を'緩める;〈結び目など〉‘を'解く / 〈矢・弾丸など〉‘を'放つ,発射する