sink

to slacken

sink; relax; sink down; sink; drop; sink; relax; abate; relax; withdraw; idle; let; drop; let drop; let go; refrain; hast shewn thyself slack

to slacken (in many applications, literal or figurative)

abate, cease, consume, draw (toward evening), fail, (be) faint, be (wax) feeble, forsake, idle, leave, let alone (go, down), (be) slack, stay, be still, be slothful, (be) weak(-en). See H7495 (רָפָא).