Antonyms of adj valiant

1 sense of valiant

Sense 1
valiant, valorous -- (having or showing valor; "a valiant attempt to prevent the hijack"; "a valiant soldier")

INDIRECT (VIA brave) -> cowardly, fearful -- (lacking courage; ignobly timid and faint-hearted; "cowardly dogs, ye will not aid me then"- P.B.Shelley)

Similarity of adj valiant

1 sense of valiant

Sense 1
valiant, valorous -- (having or showing valor; "a valiant attempt to prevent the hijack"; "a valiant soldier")
       => 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")