untighten

you need to untighten the jar lid before you can open it.

carefully untighten the bolts to avoid stripping the threads.

he tried to untighten the rusty pipe fitting with a wrench.

remember to untighten the clamps before moving the equipment.

the mechanic asked me to untighten the engine cover slightly.

untighten the valve just a little to release the pressure.

she had to untighten her scarf because it was too warm.

before disassembling, untighten all the fasteners on the panel.

he used a pipe wrench to untighten the stubborn fitting.

untighten the screws holding the bracket in place.

it's important to untighten the pressure release valve slowly.