1) Brawnless 2) Built like Don Knotts 3) Far from adequate 4) Far from colossal 5) Far from significant 6) Feeble 7) French word used in English 8) Hardly he-man material 9) Hardly herculean 10) Hardly muscular 11) Ineffectual 12) Inferior in size 13) Inferior in size and strength 14) Insignificant Found on https://www.crosswordclues.com/clue/puny
Pu'ny adjective [ Compar. Punier ; superl. Puniest .] [ French puîté younger, later born, Old French puisné ; puis afterwards (L. post ; see Post- ) + né born, Latin natus . See ... Found on http://www.encyclo.co.uk/webster/P/196