|1.||[ verb ] cause to be firmly attached|
"fasten the lock onto the door" "she fixed her gaze on the man"
|Related terms:||unfasten attach tie hang screw lock clamp sew lodge anchor clinch lock_up tack bind anchor hook latch zip_up bar picket pin rig wire buckle entrench cable bitt hasp spike moor clinch moor string belt crank grout button chock noose cinch rope_up cement bight staple rivet brad belay belay cramp hang stake coapt cleat brooch joint trench stay joggle velcro toggle chain garter strap fastener fastener fastening|
|2.||[ verb ] become fixed or fastened|
"This dress fastens in the back"
|Related terms:||unfasten attach glue stick stick fastener|
|3.||[ verb ] attach to|
"They fastened various nicknames to each other"
|4.||[ verb ] make tight or tighter|
"Tighten the wire"
|Related terms:||change screw wind frap screw wind tauten tightening|