Webster's 1828 Dictionary

DOUBTER

n.One who doubts; one whose opinion is unsettled; one who scruples.

 

Webster's 1913 Dictionary

DOUBTER

DOUBTER Doubt "er, n.

 

Defn: One who doubts; one whose opinion is unsettled; one who scruples.

 

New American Oxford Dictionary

doubter

doubt er |doutər | ▶noun a person who questions or lacks faith in something; a skeptic: he had proved all his doubters wrong.

 

Oxford Dictionary

doubter

doubt ¦er |ˈdaʊtə (r )| ▶noun a person who questions or lacks faith in something; a sceptic: he had proved all his doubters wrong.

 

American Oxford Thesaurus

doubter

doubter noun this is his chance to confound the doubters: skeptic, doubting Thomas, nonbeliever, unbeliever, disbeliever, cynic, scoffer, questioner, challenger, dissenter. ANTONYMS believer.

 

Oxford Thesaurus

doubter

doubter noun this is his chance to confound the doubters: sceptic, doubting Thomas, non-believer, unbeliever, disbeliever, cynic, scoffer, questioner, challenger, nihilist, dissenter; irreligionist, atheist, agnostic, freethinker; infidel, pagan, heathen; archaic paynim; rare Pyrrhonist, nullifidian. ANTONYMS believer.

 

Sanseido Wisdom Dictionary

doubter

d ó ubt er 名詞 C 〖通例 ～s 〗疑う [懐疑的な ]人 (たち ).