spineless Antonyms

spinous blatantly provocative unrelenting unflinching strong stout stalwart spiny soldierly resolute powerful l valiant valorous vertebrate blatantly aggressive gutsy strong-willed bounce off the walls hardheaded unwavering bow-wow jockstrap unafraid stouthearted vigorous intrepid gallant backboned authoritative audacious assured assertive arrogant armed apathetic animated aggressive adventurous based battler boastful fearless enthusiastic energetic dogged determined dauntless courageous confident