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WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS
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WORDNET DICTIONARY

Noun Atheist has 1 sense

• atheist(n = noun.person) Array - someone who denies the existence of god; Array
is a kind of disbeliever, nonbeliever, unbeliever
Derived forms noun atheism₂, noun atheism₁, adjective atheist₁, adjective atheistic₁, adjective atheistic₂, adjective atheistical₂, adjective atheistical₁

Adjective Atheist has 1 sense

• atheist(a = adj.pert) atheistic, atheistical - related to or characterized by or given to atheism; "atheist leanings"
Derived form noun atheist₁

CIDE DICTIONARY

THESAURUS

Atheist

Sabbath-breaker, apostate, backslider, blasphemer, deserter, disbeliever, gentile, heathen, infidel, minimifidian, nonbeliever, nullifidian, pagan, recidivist, recreant, renegade, sacrilegist, secularist, unbeliever

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Atheist

Irreligion

N irreligion, indevotion, godlessness, ungodliness, laxity, quietism, skepticism, doubt, unbelief, disbelief, incredulity, incredulousness, want of faith, want of belief, pyrrhonism, bout, agnosticism, atheism, deism, hylotheism, materialism, positivism, nihilism, infidelity, freethinking, antichristianity, rationalism, neology, atheist, skeptic, unbeliever, deist, infidel, pyrrhonist, giaour, heathen, alien, gentile, Nazarene, espri fort, freethinker, latitudinarian, rationalist, materialist, positivist, nihilist, agnostic, somatist, theophobist, irreligious, indevout, undevout, devoutless, godless, graceless, ungodly, unholy, unsanctified, unhallowed, atheistic, without God, skeptical, freethinking, unbelieving, unconverted, incredulous, faithless, lacking faith, deistical, unchristian, antichristian, worldly, mundane, earthly, carnal, worldly minded, irreligiously.

For further exploring for "Atheist" in Webster Dictionary Online