English Reference

Word

blasphemy

Phoneticsblas·phe·my

US/ˈbɫæsfəmi/

UK/blˈɑːsfəmi/

Definitions

01religious disrespect

C1 · Religion

n. saying or doing something that is very disrespectful to a god or a religion.

n. the act of insulting or showing contempt or lack of reverence for a deity or sacred things. Often used in legal or theological contexts.

“In some historical periods, writing books that questioned the church was punished as blasphemy.”

“The medieval scholar was accused of blasphemy after he published a treatise that challenged the established interpretation of the holy texts.”

Formal

Usage

Uncountable when referring to the concept; countable when referring to specific acts or statements.

Teaching tip

While primarily a religious term, it is often used figuratively in modern English to describe an attack on any highly respected idea.

Synonyms

profanitysacrilegeirreverence

02disrespecting a convention

C2

n. doing something that goes against a rule or idea that most people respect very much.

n. an act of disregarding or showing contempt for a standard, convention, or something considered inviolable within a specific community.

“For a traditional Italian chef, putting pineapple on pizza is a form of blasphemy.”

“To the purists in the audience, the director's decision to set the Shakespearean play in a modern office was nothing short of blasphemy.”

Humorous · Informal

Usage

Often used with the preposition 'to' or 'against'.

Teaching tip

In this sense, the word is usually hyperbolic and used to express strong personal or professional disapproval rather than literal religious offense.

Synonyms

Real-World Examples

“Ashrafi claimed the blasphemy laws actually "save lives", stopping people taking matters into their own hands.”
BBC News · 17 Sept 2026

Etymology

From Middle English blasfemie, from Old French blasfemie, from Ecclesiastical Latin blasphēmia, from Ancient Greek βλασφημία (blasphēmía, “profanity”), from βλασφημέω (blasphēméō, “to slander”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

blasphemousAdjectiveblasphemyNoun

Domain

Religion

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

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English Reference