Found 2 items, similar to Proteanly.
English → English (WordNet) Definition: protean protean adj : taking on different forms; “eyes...of that baffling protean gray which is never twice the same”
English → English (gcide) Definition: Proteanly Proteanly \Pro"te*an*ly\, adv. In a protean manner. --Cudworth. [1913 Webster]