irreligious

[ir-i-lij-uh s] /ˌɪr ɪˈlɪdʒ əs/
adjective
1.
not religious; not practicing a religion and feeling no religious impulses or emotions.
2.
showing or characterized by a lack of religion.
3.
showing indifference or hostility to religion:
irreligious statements.
Origin
1555-65; < Latin irreligiōsus. See ir-2, religious
Related forms
irreligiously, adverb
irreligiousness, irreligiosity
[ir-i-lij-ee-os-i-tee] /ˌɪr ɪˌlɪdʒ iˈɒs ɪ ti/ (Show IPA), noun
Can be confused
irreligious, sacrilegious, unreligious.
Synonyms
3. profane, sacrilegious, ungodly.
British Dictionary definitions for irreligious

irreligious

/ˌɪrɪˈlɪdʒəs/
adjective
1.
lacking in, indifferent to, or opposed to religious faith
Derived Forms
irreligiously, adverb
irreligiousness, noun
Word Origin and History for irreligious
adj.

c.1400, from Late Latin irreligiosus "irreligious, impious," from assimilated form of in- "not, opposite of" (see in- (1)) + religiosus (see religious). Related: Irreligiously.