Synonyms of the word

apostate

• adj. Guilty of apostasy.
• n. A person who has renounced a religion or faith.
• n. (Roman Catholicism) One who, after having received sacred orders, renounces his clerical profession.

deserter

• n. A person who has physically removed him- or herself from the control or direction of a military or naval…
• n. Under the United States Code of Military Justice, a person who has been placed on AWOL status for more…

quitter

• n. (now rare, Jamaica) Matter flowing from a wound or sore; pus.
• n. (farriery) A fistulous wound at the top of a horse's foot resulting from bruises, pricks, or neglected…
• n. (obsolete) Scoria of tin.
• v. to suppurate; ooze with pus.
• n. One who quits.
• n. (obsolete) A deliverer.

ratter

• n. Anything which catches rats, especially a dog trained to catch them; a rat terrier.
• n. One who rats; a traitor; a deserter.

recreant

• adj. (now rare, poetic) Having admitted defeat and surrendered; defeated.
• adj. (now poetic, literary) Unfaithful to someone, or to one's duties or honour; disloyal, false.
• n. Somebody who is recreant, who yields in combat; a coward.

renegade

• n. An outlaw or rebel.
• n. A disloyal person who betrays or deserts a cause, religion, political party, friend, etc.
• v. To desert one's cause, or change one's loyalties; to commit betrayal.

turncoat

• n. A traitor; one who turns against a previous affiliation or allegiance.

unfaithful

• adj. Not having religious faith.
• adj. Not keeping good faith; disloyal; not faithful.
• adj. Not honest or upright.
• adj. (translation studies) which doesn't faithfully render the meaning of the source language; incorrect.
• adj. Adulterous.