atheistical
Without religious belief
Atheistical is an older or more formal variant of atheistic, meaning relating to or characteristic of atheism or atheists: His atheistical writings scandalized the church.
The word appears mainly in historical texts and formal philosophical discourse, where the extra syllable lends a certain gravity.
Lacking belief in deities
- ungodlyWicked or outrageous
- unholyWicked, impious, sinful
- profaneIrreverent toward the sacred
- impiousLacking religious respect
blasphemous · sacrilegious · iconoclastic · heretical · irreligious · heathen · infidel · pagan
Lack of religious faith
- unbeliefLack of faith
- godlessnessLack of belief
- skepticismDisposition toward doubt
- doubtLack of firm belief
questioning · freethought · rationalism · empiricism · naturalism · materialism · secularism · humanism
Reason as knowledge source
- empiricismKnowledge through observation
- materialismPrioritizing goods over spirit
- naturalismWorldview excluding the supernatural
- positivismPhilosophy demanding verifiable evidence
existentialism · nihilism · humanism · freethought · enlightenment · reason · logic · secularism
godless
Lacking belief in deities
impious · blasphemous · sacrilegious · iconoclastic · heretical · irreligious · heathen · infidel · pagan · unchurched
nonbelief
Lack of religious faith
- unbeliefLack of faith
- godlessnessLack of belief
- skepticismDisposition toward doubt
doubt · questioning · freethought · rationalism · empiricism · naturalism · materialism · secularism · humanism · agnosticism
rationalism
Reason as knowledge source
- empiricismKnowledge through observation
- materialismPrioritizing goods over spirit
- naturalismWorldview excluding the supernatural
positivism · existentialism · nihilism · humanism · freethought · enlightenment · reason · logic · secularism · scientism
atheisticaltheistic
Accepting divine existence
believing · deistic · monotheistic · polytheistic · god-fearing