Standard Lemma guide

rigorous

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.

  • /ˈɹɪɡəɹəs/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪɡəɹəs
  • CMU ARPABET: R IH1 G ER0 AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.

Definition source: English Wiktionary via Wiktextract

Examples

  • a rigorous officer of justice
  • a rigorous execution of law
  • a rigorous inspection

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Severe; intense.

Definition source: English Wiktionary via Wiktextract

Examples

  • a rigorous winter

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

demanding strict attention to rules and procedures

Definition source: Princeton WordNet 3.0

Examples

  • rigorous discipline
  • tight security
  • stringent safety measures

Meaning relationships

Synonyms: stringent, tight

Antonyms: none provided

4

adjective satellite

Meaning 4

rigidly accurate; allowing no deviation from a standard

Definition source: Princeton WordNet 3.0

Examples

  • rigorous application of the law
  • a strict vegetarian

Meaning relationships

Synonyms: strict

Antonyms: none provided

History

Etymology

Inherited from Middle English rigorous, from Middle French and Anglo-Norman rigoreus, derived from Late Latin rigōrōsus (stiff, rigid; inflexible). By surface analysis, rigor + -ous.

Across languages

Translations

51 source translations are retained for this English entry.

  • Bulgarian: строг (strog) — showing, causing, or favoring rigour/rigor
  • Bulgarian: взискателен (vziskatelen) — showing, causing, or favoring rigour/rigor
  • Catalan: rigorós — showing, causing, or favoring rigour/rigor
  • Chinese Mandarin: 嚴苛的 /严苛的 — showing, causing, or favoring rigour/rigor
  • Chinese Mandarin: 嚴謹的 /严谨的 — showing, causing, or favoring rigour/rigor
  • Dutch: rigoureus — showing, causing, or favoring rigour/rigor
  • Esperanto: rigora — showing, causing, or favoring rigour/rigor
  • Finnish: ankara — showing, causing, or favoring rigour/rigor
  • Finnish: perinpohjainen — showing, causing, or favoring rigour/rigor
  • Finnish: perusteellinen — showing, causing, or favoring rigour/rigor
  • French: rigoureux — showing, causing, or favoring rigour/rigor
  • Galician: rigoroso — showing, causing, or favoring rigour/rigor
  • German: streng — showing, causing, or favoring rigour/rigor
  • German: rigoros — showing, causing, or favoring rigour/rigor
  • Latin: rigorosus — showing, causing, or favoring rigour/rigor
  • Malayalam: കർക്കശ (kaṟkkaśa) — showing, causing, or favoring rigour/rigor
  • Norwegian Bokmål: rigorøs — showing, causing, or favoring rigour/rigor
  • Norwegian Nynorsk: rigorøs — showing, causing, or favoring rigour/rigor
  • Portuguese: rigoroso — showing, causing, or favoring rigour/rigor
  • Romanian: riguros — showing, causing, or favoring rigour/rigor
  • Russian: стро́гий (strógij) — showing, causing, or favoring rigour/rigor
  • Russian: то́чный (tóčnyj) — showing, causing, or favoring rigour/rigor
  • Russian: скрупулёзный (skrupuljóznyj) — showing, causing, or favoring rigour/rigor
  • Spanish: riguroso — showing, causing, or favoring rigour/rigor
  • Spanish: rigoroso — showing, causing, or favoring rigour/rigor
  • Turkish: dakik — showing, causing, or favoring rigour/rigor
  • Turkish: dikkatli — showing, causing, or favoring rigour/rigor
  • Turkish: özenli — showing, causing, or favoring rigour/rigor
  • Turkish: sıkı — showing, causing, or favoring rigour/rigor
  • Turkish: titiz — showing, causing, or favoring rigour/rigor
  • Ukrainian: суворий (suvoryj) — showing, causing, or favoring rigour/rigor
  • Ukrainian: жорсткий (žorstkyj) — showing, causing, or favoring rigour/rigor
  • Bulgarian: суров (surov) — severe; intense
  • Catalan: rigorós — severe; intense
  • Chinese Mandarin: 嚴酷的 /严酷的 — severe; intense
  • Danish: intens — severe; intense
  • Dutch: rigoureus — severe; intense
  • Esperanto: severa — severe; intense
  • Finnish: ankara — severe; intense
  • French: rigoureux — severe; intense
  • Galician: rigoroso — severe; intense
  • German: rau — severe; intense
  • Norwegian Bokmål: rigorøs — severe; intense
  • Norwegian Nynorsk: rigorøs — severe; intense
  • Portuguese: rigoroso — severe; intense
  • Russian: суро́вый (suróvyj) — severe; intense
  • Spanish: riguroso — severe; intense
  • Spanish: rigoroso — severe; intense
  • Turkish: sert — severe; intense
  • Turkish: şiddetli — severe; intense
  • Ukrainian: ретельний (retelʹnyj) — severe; intense
Real reading context

rigorous in complete knowledge articles