atheist[noun]Synonyms: nonbeliever, disbeliever, heathen, infidel, pagan, sceptic, unbeliever  
English Thesaurus: god, goddess, deity, idol, atheist, ... [TahlilGaran] English Synonym Dictionary ▲
 god a male spirit or being who is believed by some religions to control the world or part of it, or who represents a particular quality: 
 Odin was the Viking god of war.goddess
 Odin was the Viking god of war.goddess a female god: 
 Artemis, the Greek goddess of the moondeity
 Artemis, the Greek goddess of the moondeity a god. 
Deity is more formal than 
god: 
 a Hindu deity
 a Hindu deity  Roman deities
 Roman deities  the Supreme Deityidol
 the Supreme Deityidol a picture or statue that people pray to as a god: 
 a bronze idolatheist noun, adjective
 a bronze idolatheist noun, adjective someone who believes that God does not exist: 
 I’m a confirmed atheist.agnostic noun, adjective
 I’m a confirmed atheist.agnostic noun, adjective someone who believes that people cannot know whether God exists or not: 
 He was an agnostic rather than an atheist.
 He was an agnostic rather than an atheist. [TahlilGaran] English Thesaurus ▲