• thin, mild, vulnerable, weak, shaky, incapacitated, unresistant, crippled, small, weak-kneed, transient, spiritless, sensitive, delicate, emasculated, worn-out, unstable, insecure, uncertain, spineless, characterless, resistless, moderate, wishy-washy, tottery, yielding, calm, wobbly, unsound, listless, diseased, skinny, tottering, perishable, infirm, temporary, unhealthy, susceptible, soft, tiny, feeble, mortal, puny, flabby, rickety, diffident, easy.