nerveless Synonyms

feeble cool coolheaded tranquil timid steady spineless soft self-possessed sedate sapless relaxed powerless placid unconcerned unperturbed unemotional unflappable unexcitable imperturbable yellow-bellied laid-back undisturbed woundable weak unstrained unmoved peaceful paralyzed faint equable enervated effete dispassionate cowardly cool-headed controlled composed collected calm fearful flabby palsied nonchalant nervous invertebrate infirm impotent impassive helpless