Antonyms of adj courageous
1 sense of courageous
Sense 1
brave (vs. cowardly), courageous -- (possessing or displaying courage; able to face and deal with danger or fear without flinching; "Familiarity with danger makes a brave man braver but less daring"- Herman Melville; "a frank courageous heart...triumphed over pain"- William Wordsworth; "set a courageous example by leading them safely into and out of enemy-held territory")
Similarity of adj courageous
1 sense of courageous
Sense 1
brave (vs. cowardly), courageous -- (possessing or displaying courage; able to face and deal with danger or fear without flinching; "Familiarity with danger makes a brave man braver but less daring"- Herman Melville; "a frank courageous heart...triumphed over pain"- William Wordsworth; "set a courageous example by leading them safely into and out of enemy-held territory")
=> desperate, heroic -- (showing extreme courage; especially of actions courageously undertaken in desperation as a last resort; "made a last desperate attempt to reach the climber"; "the desperate gallantry of our naval task forces marked the turning point in the Pacific war"- G.C.Marshall; "they took heroic measures to save his life")
=> gallant -- (unflinching in battle or action; "a gallant warrior"; "put up a gallant resistance to the attackers")
=> game, gamy, gamey, gritty, mettlesome, spirited, spunky -- (willing to face danger)
=> lionhearted -- (extraordinarily courageous)
=> stalwart, stouthearted -- (used especially of persons; "a stalwart knight"; "a stouthearted fellow who had an active career in the army")
=> undaunted -- (resolutely courageous; "undaunted in the face of death")
=> valiant, valorous -- (having or showing valor; "a valiant attempt to prevent the hijack"; "a valiant soldier")
Also See-> adventurous#1, adventuresome#1; bold#1; resolute#1; unafraid#1, fearless#1