Standard Lemma guide

laborious

adj · 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.

  • /ləˈbɔːɹiəs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɔːɹiəs
  • CMU ARPABET: L AH0 B AO1 R IY0 AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Requiring much physical effort; toilsome.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Mentally difficult; painstaking.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Industrious.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

characterized by effort to the point of exhaustion; especially physical effort

Definition source: Princeton WordNet 3.0

Examples

  • worked their arduous way up the mining valley
  • a grueling campaign
  • hard labor
  • heavy work
  • heavy going
  • spent many laborious hours on the project
  • set a punishing pace

Meaning relationships

Synonyms: arduous, backbreaking, grueling, gruelling, hard, heavy, operose, punishing, toilsome

Antonyms: none provided

History

Etymology

From Old French laborios, from Latin laboriosus. By surface analysis, labor + -ious

Across languages

Translations

35 source translations are retained for this English entry.

  • Bulgarian: труден (truden) — requiring much physical effort
  • Bulgarian: напрегнат (napregnat) — requiring much physical effort
  • Catalan: laboriós — requiring much physical effort
  • Czech: pracný — requiring much physical effort
  • Dutch: bewerkelijk — requiring much physical effort
  • Dutch: arbeidsintensief — requiring much physical effort
  • Dutch: laborieus — requiring much physical effort
  • French: laborieux — requiring much physical effort
  • German: arbeitsintensiv — requiring much physical effort
  • German: mühselig — requiring much physical effort
  • German: mühsam — requiring much physical effort
  • German: arbeitsaufwändig — requiring much physical effort
  • Ancient Greek: ἐπίπονος (epíponos) — requiring much physical effort
  • Ancient Greek: μογερός (mogerós) — requiring much physical effort
  • Irish: saothrach — requiring much physical effort
  • Irish: maslach — requiring much physical effort
  • Italian: laborioso — requiring much physical effort
  • Latin: labōriōsus — requiring much physical effort
  • Old English: earfoþe — requiring much physical effort
  • Polish: pracochłonny — requiring much physical effort
  • Polish: mozolny — requiring much physical effort
  • Portuguese: laborioso — requiring much physical effort
  • Portuguese: trabalhoso — requiring much physical effort
  • Romanian: laborios — requiring much physical effort
  • Russian: трудоёмкий (trudojómkij) — requiring much physical effort
  • Russian: тру́дный (trúdnyj) — requiring much physical effort
  • Russian: тяжёлый (tjažólyj) — requiring much physical effort
  • Russian: напряжённый (naprjažónnyj) — requiring much physical effort
  • Russian: утоми́тельный (utomítelʹnyj) — requiring much physical effort
  • Spanish: laborioso — requiring much physical effort
  • Swedish: mödosam — requiring much physical effort
  • Swedish: tung — requiring much physical effort
  • Bulgarian: мъчен (mǎčen) — mentally difficult
  • Russian: кропотли́вый (kropotlívyj) — mentally difficult
  • Spanish: dispendioso — mentally difficult