Standard Lemma guide

by-product

noun · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈbaɪ.pɹɒ.dʌkt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • homophone: biproduct

1

noun

Meaning 1

Something made incidentally during the production of something else.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A consequence, especially a side effect.

Definition source: English Wiktionary via Wiktextract

Examples

  • The many Indian restaurants all over Britain are a by-product of the large waves of immigration from the subcontinent.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a product made during the manufacture of something else

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: byproduct, spin-off

Antonyms: none provided

Broader terms: product, production

4

noun

Meaning 4

a secondary and sometimes unexpected consequence

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: byproduct

Antonyms: none provided

Broader terms: consequence, effect, outcome, result, event, issue, upshot

Narrower terms: epiphenomenon

History

Etymology

Etymology tree English by- Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *pró Proto-Indo-European *pro- Proto-Italic *pro- Latin prō- Proto-Indo-European *dewk- Proto-Indo-European *déwkti Proto-Italic *doukō Latin dūcō Latin prōdūcō Latin prōductusder. Middle English product English product English by-product From by- + product.

Across languages

Translations

59 source translations are retained for this English entry.

  • Bulgarian: страничен продукт (straničen produkt) — secondary product
  • Chinese Mandarin: 副产品 (fùchǎnpǐn) — secondary product
  • Dutch: bijproduct — secondary product
  • Dutch: nevenproduct — secondary product
  • Dutch: afvalproduct — secondary product
  • Finnish: sivutuote — secondary product
  • French: sous-produit — secondary product
  • French: co-produit — secondary product
  • French: produit dérivé — secondary product
  • Georgian: თანაპროდუქტი (tanaṗrodukṭi) — secondary product
  • Georgian: მეორადი პროდუქტი (meoradi ṗrodukṭi) — secondary product
  • Georgian: თანმდევი პროდუქტი (tanmdevi ṗrodukṭi) — secondary product
  • German: Nebenprodukt — secondary product
  • German: Beiprodukt — secondary product
  • German: Nachprodukt — secondary product
  • German: Teilprodukt — secondary product
  • Greek: υποπροϊόν (ypoproïón) — secondary product
  • Icelandic: aukaafurð — secondary product
  • Italian: sottoprodotto — secondary product
  • Japanese: 副産物 (fukusanbutsu) — secondary product
  • Macedonian: нуспроизвод (nusproizvod) — secondary product
  • Norwegian Bokmål: biprodukt — secondary product
  • Norwegian Nynorsk: biprodukt — secondary product
  • Pannonian Rusyn: побочни продукт (pobočni produkt) — secondary product
  • Polish: produkt uboczny — secondary product
  • Portuguese: subproduto — secondary product
  • Russian: побочный продукт (pobočnyj produkt) — secondary product
  • Scottish Gaelic: far-stuth — secondary product
  • Serbo-Croatian: nusproizvod — secondary product
  • Serbo-Croatian: nusprodukt — secondary product
  • Swedish: biprodukt — secondary product
  • Tagalog: yaga — secondary product
  • Thai: ผลพลอยได้ (pǒn-plɔɔi-dâai) — secondary product
  • Turkish: yan ürün — secondary product
  • Ukrainian: побічний продукт (pobičnyj produkt) — secondary product
  • Vietnamese: phụ phẩm — secondary product
  • Bulgarian: страничен ефект (straničen efekt) — side effect
  • Catalan: subproducte — side effect
  • Chinese Mandarin: 副作用 (fùzuòyòng) — side effect
  • Dutch: neveneffect — side effect
  • Dutch: bijverschijnsel — side effect
  • Finnish: sivuvaikutus — side effect
  • Finnish: sivutuote — side effect
  • French: sous-produit — side effect
  • German: Nebenwirkung — side effect
  • Greek: υποπροϊόν (ypoproïón) — side effect
  • Greek: παρενέργεια (parenérgeia) — side effect
  • Hebrew: תוצר לוואי (totzar levai) — side effect
  • Italian: effetto collaterale — side effect
  • Macedonian: нуспојава (nuspojava) — side effect
  • Polish: efekt uboczny — side effect
  • Polish: skutek uboczny — side effect
  • Portuguese: subproduto — side effect
  • Russian: побо́чный эффе́кт (pobóčnyj effékt) — side effect
  • Serbo-Croatian: nuspojava — side effect
  • Spanish: subproducto — side effect
  • Swedish: bieffekt — side effect
  • Thai: ผลพลอยได้ (pǒn-plɔɔi-dâai) — side effect
  • Turkish: yan etki — side effect