Also found in: Thesaurus, Legal, Encyclopedia.


Disbelief in or denial of the existence of God or gods.

[French athéisme, from athée, atheist, from Greek atheos, godless : a-, without; see a-1 + theos, god; see dhēs- in Indo-European roots.]

a′the·ist n.
a′the·is′tic, a′the·is′ti·cal adj.
a′the·is′ti·cal·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.atheistical - related to or characterized by or given to atheism; "atheist leanings"
2.atheistical - rejecting any belief in gods
irreligious - hostile or indifferent to religion


[ˌeɪθɪˈɪstɪkl] atheistic [ˌeɪθɪˈɪstɪk] adj (person, philosophy) → ateo/a; (views, principles) → ateistico/a
References in classic literature ?
And when he glanced upon the green walls of the watery defile in which the ship was then sailing, and bethought him that through that gate lay the route to his vengeance, and beheld, how that through that same gate he was now both chasing and being chased to his deadly end; and not only that, but a herd of remorseless wild pirates and inhuman atheistical devils were infernally cheering him on with their curses; --when all these conceits had passed through his brain, Ahab's brow was left gaunt and ribbed, like the black sand beach after some stormy tide has been gnawing it, without being able to drag the firm thing from its place.
But that Woodman and that Farmer, though they work unceasingly, work silently, and no one heard them as they went about with muffled tread: the rather, forasmuch as to entertain any suspicion that they were awake, was to be atheistical and traitorous.
In pronouncing these he was one day so eager, that he unfortunately bit his tongue; and in such a manner, that it not only put an end to his discourse, but created much emotion in him, and caused him to mutter an oath or two: but what was worst of all, this accident gave Thwackum, who was present, and who held all such doctrine to be heathenish and atheistical, an opportunity to clap a judgment on his back.
For all her cleverness and culture, she was probably one of those soulless, atheistical women who have been so shown up by Miss Corelli.
Pollitt was a signatory to Humanist Manifesto III in 2003 and was named this year's Humanist Heroine by the Feminist Caucus of the American Humanist Association for, as she put it, "four decades laboring in the atheistical vineyards.
Issues he deals with include: the historical accuracy of the New Testament; the role of the Church in propagating and preserving the Faith; the human obstacles to belief (paramount among these is Pride, the belief in merely human self-sufficiency and the refusal to subscribe to an absolute moral code limiting a hedonistic "freedom"); the arrogance and narrowness of atheistical scientists; the dangers of dabbling in the occult; etc.
The 'matron' of the title, Paulina Westmond, is the daughter of a Catholic baronet who marries the Protestant Charles Delwyn, whose frustrated political ambition and atheistical education propel him into a leadership role with the United Irishmen.
Materialism of this kind was heterodox, at best--a sure marker of atheistical thought--which is perhaps why Donne expressed it in one of the witty "Paradoxes" that he later nervously characterized in a letter to his friend Henry Goodyer as "nothings" (1990, 64).