Origin: 1400–50; late Middle English <
Medieval Latin permissibilis. See permission, -ible Related formsper·mis·si·bil·i·ty, per·mis·si·ble·ness, noun
per·mis·si·bly, adverb
non·per·mis·si·bil·i·ty, noun
non·per·mis·si·ble, adjective
non·per·mis·si·b·ly, adverb
EXPANDun·per·mis·si·ble, adjective
un·per·mis·si·b·ly, adverb
COLLAPSESynonyms
allowed, sanctioned, lawful, legal, tolerated.