Phrase guide

code smell

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Anything in a program's source code that suggests the presence of a design problem.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Analogous to a bad smell indicating e.g. rotten food. Apparently coined by American software engineer Kent Beck, in the late 1990s. Popularized via the book Refactoring: Improving the Design of Existing Code, co-authored by Beck.

Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: purkka — design problem in code
  • German: Code-Smell — design problem in code