letting in for (verb) volunteer: offer to do something
Sinonime: defenseless, exposed, fluctuant, frail, hazardous, immature, infirm, insubstantial, loose*, open to attack, perilous,
precarious, rickety, rocky, rootless, shaky, tottery, unguarded, unprotected, unreliable, unsafe, unshielded, unsound, unstable, unsteady,
unsure, vacillating, vulnerable, wavering, weak, wobbly
Antonime: compel,
force, obligate