allergic altricial anaphylactic anserine anserous aquiline avian avicular bashful birdlike birdy columbine cowardly delicate diffident dovelike empathetic empathic fearful fearing fearsome hawklike hyperesthetic hyperpathic hypersensitive in fear irritable itchy jumpy mousy nervous nesting nidicolous nidificant oscine overrefined oversensible oversensitive overtender passerine passible prickly psittacine rabbity rasorial refined responsive scary sensitive shaky shivery shrinking shy skittery skittish startlish supersensitive sympathetic tactful tender tetchy thin-skinned ticklish timid timorous touchy trembling tremulous trepidant trigger-happy