free的反义词
free的反义词有：busy, restrain, restrict, grip, constrain, imprison, grasp, oblige, fasten, impose, catch, captive, detain。
adj.
free的反义词（空闲的）：busy。
vt.
free的反义词（使自由）：restrain, restrict。
free的反义词（其他释义）：grip, constrain, imprison, grasp, oblige, fasten, impose, catch, captive, detain。