irreverent has definitions from the field of religion
1
[ adjective ] showing lack of due respect or veneration

Examples

"irreverent scholars mocking sacred things" "noisy irreverent tourists"

2
[ adjective ] characterized by a lightly pert and exuberant quality

Examples

"a certain irreverent gaiety and ease of manner"

Related terms

spirited

3
[ adjective ] (religion) not revering god

Synonyms

godless

Related terms

impious

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