Standard Lemma guide

ruthless

adj · 3 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.

  • /ˈɹuːθləs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: R UW1 TH L AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Without pity or compassion; cruel, pitiless.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: compassionless, merciless, unsympathetic, barbarous, bowelless, brutal, cruel, demonic, despiteful, diabolic, diabolical, fell, incessive, inclement, inhuman, inhumane, malicious, nasty, nonhumane, pitiless, remorseless, rotten, ruthless, sadistic, savage, spiteful, truculent, unbenevolent, unbenign, unkind, unmerciful, unpitiful, unpitying

Antonyms: ruthful

2

adj

Meaning 2

Uncompromising; unrelenting.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

without mercy or pity

Definition source: Princeton WordNet 3.0

Examples

  • an act of ruthless ferocity
  • a monster of remorseless cruelty

Meaning relationships

Synonyms: pitiless, remorseless, unpitying

Antonyms: none provided

History

Etymology

Etymology tree Proto-Germanic *hrewwaną Proto-West Germanic *hreuwan Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Germanic *-ō Proto-West Germanic *-u Proto-West Germanic *hreuwu Old English hrēow Middle English rewe Middle English -the Old Norse hrygðinflu. Middle English reuþe Proto-Indo-European *lewh1- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les Middle English reuþeles English ruthless From Middle English reuþeles; equivalent to ruth + -less.

Across languages

Translations

74 source translations are retained for this English entry.

  • Arabic: قَاسٍ (qāsin) — without pity or compassion
  • Armenian: անգութ (angutʻ) — without pity or compassion
  • Armenian: դաժան (dažan) — without pity or compassion
  • Basque: errukigabe — without pity or compassion
  • Belarusian: бязлі́тасны (bjazlítasny) — without pity or compassion
  • Belarusian: бязжа́ласлівы (bjazžálaslivy) — without pity or compassion
  • Bulgarian: безми́лостен (bezmílosten) — without pity or compassion
  • Bulgarian: безскру́пулен (bezskrúpulen) — without pity or compassion
  • Catalan: despietat — without pity or compassion
  • Chinese Mandarin: 殘忍 /残忍 (cánrěn) — without pity or compassion
  • Chinese Mandarin: 無情 /无情 (wúqíng) — without pity or compassion
  • Czech: bezohledný — without pity or compassion
  • Czech: nemilosrdný — without pity or compassion
  • Danish: skånselløs — without pity or compassion
  • Danish: skånselsløs — without pity or compassion
  • Dutch: onbarmhartig — without pity or compassion
  • Dutch: meedogenloos — without pity or compassion
  • Esperanto: senkompata — without pity or compassion
  • Finnish: armoton — without pity or compassion
  • Finnish: säälimätön — without pity or compassion
  • French: impitoyable — without pity or compassion
  • Galician: desapiadado — without pity or compassion
  • Georgian: შეუბრალებელი (šeubralebeli) — without pity or compassion
  • Georgian: ულმობელი (ulmobeli) — without pity or compassion
  • German: unbarmherzig — without pity or compassion
  • German: ruchlos — without pity or compassion
  • German: gnadenlos — without pity or compassion
  • Greek: αδίστακτος (adístaktos) — without pity or compassion
  • Ancient Greek: ἄνοικτος (ánoiktos) — without pity or compassion
  • Hindi: क्रूर (krūr) — without pity or compassion
  • Hindi: निर्दयी (nirdayī) — without pity or compassion
  • Hindi: निष्ठुर (niṣṭhur) — without pity or compassion
  • Hungarian: könyörtelen — without pity or compassion
  • Italian: spietato — without pity or compassion
  • Italian: crudele — without pity or compassion
  • Japanese: 無情な (mujō na) — without pity or compassion
  • Japanese: 残酷な (zankoku na) — without pity or compassion
  • Japanese: 無慈悲な (mujihi na) — without pity or compassion
  • Kazakh: мейірімсіз (meiırımsız) — without pity or compassion
  • Khmer: គ្មានមេត្តា (kmiən meittaa) — without pity or compassion
  • Korean: 무자비하다 (mujabihada) — without pity or compassion
  • Latin: crūdēlis — without pity or compassion
  • Lithuanian: negailestingas — without pity or compassion
  • Macedonian: немилосрден (nemilosrden) — without pity or compassion
  • Macedonian: безмилосен (bezmilosen) — without pity or compassion
  • Māori: ngākau whakawiri — without pity or compassion
  • Mongolian: харгис хэрцгий (xargis xercgii) — without pity or compassion
  • Norwegian Bokmål: hensynsløs — without pity or compassion
  • Norwegian Bokmål: ubarmhjertig — without pity or compassion
  • Occitan: despietadós — without pity or compassion
  • Polish: bezwzględny — without pity or compassion
  • Polish: bezpardonowy — without pity or compassion
  • Portuguese: impiedoso — without pity or compassion
  • Romanian: nemilos — without pity or compassion
  • Russian: безжа́лостный (bezžálostnyj) — without pity or compassion
  • Russian: беспоща́дный (bespoščádnyj) — without pity or compassion
  • Russian: жесто́кий (žestókij) — without pity or compassion
  • Serbo-Croatian: не̏милосрдан — without pity or compassion
  • Shor: ачынмас — without pity or compassion
  • Slovak: bezohľadný — without pity or compassion
  • Slovak: nemilosrdný — without pity or compassion
  • Slovene: neusmiljen — without pity or compassion
  • Slovene: trdosrčen — without pity or compassion
  • Spanish: despiadado — without pity or compassion
  • Swedish: hänsynslös — without pity or compassion
  • Swedish: skoningslös — without pity or compassion
  • Swedish: obarmhärtig — without pity or compassion
  • Thai: เหี้ยม (hîiam) — without pity or compassion
  • Turkish: acımasız — without pity or compassion
  • Ottoman Turkish: دینسز (dinsiz) — without pity or compassion
  • Ukrainian: безжа́лісний (bezžálisnyj) — without pity or compassion
  • Ukrainian: безжа́льний (bezžálʹnyj) — without pity or compassion
  • Ukrainian: безпоща́дний (bezpoščádnyj) — without pity or compassion
  • Vietnamese: tàn nhẫn — without pity or compassion
Real reading context

ruthless in complete knowledge articles