名詞 recreant:

1. an abject coward
   同義詞：poltroon, craven
2. a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
   同義詞：deserter, apostate, renegade, turncoat, ratter

形容詞 recreant:

1. having deserted a cause or principle
   同義詞：renegade
2. lacking even the rudiments of courage; abjectly fearful- Spenser
   同義詞：craven

1. You recreant knave!
   你這個(gè)不義之徒！

rec.re.ant

adj.（形容詞）
Unfaithful or disloyal to a belief, duty, or cause.See Synonyms at faithless
叛逆的：不忠實(shí)或不忠誠(chéng)于某種信仰、義務(wù)或事業(yè)參見 faithless
Craven or cowardly.
膽小的，怯懦的
n.（名詞）
A faithless or disloyal person.
變節(jié)者：不忠實(shí)或不忠誠(chéng)的人
A coward.
懦夫：膽小鬼

來源：
Middle English
中古英語(yǔ)
from Old French [present participle of] recroire [to remember]
源自 古法語(yǔ) [] recroire的現(xiàn)在分詞 [記憶]
from Medieval Latin recrôdere [to yield, pledge]
源自 中世紀(jì)拉丁語(yǔ) recrôdere [放棄，發(fā)誓]
Latin re- [re-]
拉丁語(yǔ) re- [前綴re-]
Latin crôdere [to believe] * see kerd-
拉丁語(yǔ) crôdere [相信] *參見 kerd-

【引伸】
rec.reance 或
rec.reancy
n.（名詞）
rec.reantly
adv.（副詞）