Standard Lemma guide

sinister

adj · 8 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.

  • sĭn′ĭ-stər
  • Australian, Received-Pronunciation: /ˈsɪ.nɪ.stə/
  • General-American: /ˈsɪ.nɪ.stəɹ/
  • New-Zealand: /ˈsə.nə.stə/
  • South-Asia, poetic: sĭ-nĭ′stər
  • South-Asia: /sɪˈnɪ.sʈə(ɾ)/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S IH1 N IH0 S T ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Inauspicious, ominous, unlucky, illegitimate.

Definition source: English Wiktionary via Wiktextract

Examples

  • bar sinister

Meaning relationships

Synonyms: foreboding, portentous, augurous, baleful, bodeful, boding, dire, disastrous, divine, fatal, ill-boding, ill-fated, ill-omened, ill-starred, inauspicate, inauspicious, nefastous, omenic, ominous, brooding, presageful, presagious, prodigious, sinister, star-crossed, sullen

Antonyms: none provided

2

adj

Meaning 2

Evil or seemingly evil; indicating lurking danger or harm.

Definition source: English Wiktionary via Wiktextract

Examples

  • sinister influences
  • the sinister atmosphere of the crypt

Meaning relationships

Synonyms: malicious, malevolent, abandoned, arrant, bad, bad apple, bad seed, baleful, scurrilous, baneful, base, black-hearted, dark, deleterious, demonic, depraved, despicable, detrimental, devilish, diabolical, evil, evil-minded, facinorous, flagitious, harmful, heinous, ill-intentioned, ill-natured, immoral, incorrigible, iniquitous, iniquous, injurious, knavish, malefic, maleficent, malign, malignant, naughty, nefarious, niddering, nidering, niding, nithing, no-good, peccaminous, pernicious, reprehensible, reprobate, satanic, scathful, sinful, sinister, sordid, sullen, ungodly, unholy, vicious, vile, villainous, wicked, wrong

Antonyms: none provided

3

adj

Meaning 3

Of the left side.

Definition source: English Wiktionary via Wiktextract

Usage: archaic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: dexter

4

adj

Meaning 4

Of the left side.

On the left side of a shield from the wearer's standpoint, and the right side to the viewer.

Definition source: English Wiktionary via Wiktextract

Usage: archaic

Topics: government, heraldry, hobbies, lifestyle, monarchy, nobility, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: dexter

5

adj

Meaning 5

Wrong, as springing from indirection or obliquity; perverse; dishonest.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective satellite

Meaning 6

threatening or foreshadowing evil or tragic developments

Definition source: Princeton WordNet 3.0

Examples

  • a baleful look
  • forbidding thunderclouds
  • his tone became menacing
  • ominous rumblings of discontent
  • sinister storm clouds
  • a sinister smile
  • his threatening behavior
  • ugly black clouds
  • the situation became ugly

Meaning relationships

Synonyms: baleful, forbidding, menacing, minacious, minatory, ominous, threatening

Antonyms: none provided

7

adjective satellite

Meaning 7

on or starting from the wearer's left

Definition source: Princeton WordNet 3.0

Examples

  • bar sinister

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

adjective satellite

Meaning 8

stemming from evil characteristics or forces; wicked or dishonorable-Thomas Hardy

Definition source: Princeton WordNet 3.0

Examples

  • black deeds
  • a black lie
  • his black heart has concocted yet another black deed
  • Darth Vader of the dark side
  • a dark purpose
  • dark undercurrents of ethnic hostility
  • the scheme of some sinister intelligence bent on punishing him

Meaning relationships

Synonyms: black, dark

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *senh2- Proto-Indo-European *senh2-is-? Proto-Italic *senisteros Latin sinister Late Latin sinextrum Old French senestrebor. Middle English sinistre English sinister From Middle English sinistre (“unlucky”), from Old French senestre, sinistre (“left”), from Latin sinister (“left hand”).

Across languages

Translations

64 source translations are retained for this English entry.

  • Albanian: I Mbrapsht — ominous
  • Bulgarian: зловещ (zlovešt) — ominous
  • Bulgarian: злокобен (zlokoben) — ominous
  • Catalan: sinistre — ominous
  • Czech: zlověstný — ominous
  • Esperanto: minaca — ominous
  • Finnish: pahaenteinen — ominous
  • Finnish: uhkaava — ominous
  • French: sinistre — ominous
  • German: sinister — ominous
  • Ancient Greek: ἀπαίσιος (apaísios) — ominous
  • Japanese: 左前の (hidarimae no) — ominous
  • Macedonian: зло́кобен (zlókoben) — ominous
  • Persian: گجسته (gojaste) — ominous
  • Plautdietsch: dreiwent — ominous
  • Polish: złowrogi — ominous
  • Polish: złowieszczy — ominous
  • Polish: arcygroźny — ominous
  • Portuguese: sinistro — ominous
  • Russian: злове́щий (zlovéščij) — ominous
  • Russian: злополу́чный (zlopolúčnyj) — ominous
  • Arabic: شَرِير (šarīr) — evil
  • Bulgarian: зъл (zǎl) — evil
  • Czech: zlý — evil
  • Czech: hrozivý — evil
  • Finnish: paha — evil
  • French: sinistre — evil
  • German: böse — evil
  • German: sinister — evil
  • Hebrew: מרושע (merusha) — evil
  • Hebrew: רשע (rasha) — evil
  • Italian: sinistro — evil
  • Japanese: 悪い (warui) — evil
  • Japanese: 奸な (yokoshima na) — evil
  • Kazakh: залым (zalym) — evil
  • Macedonian: зло́бен (zlóben) — evil
  • Macedonian: зол (zol) — evil
  • Malay: jahat — evil
  • Polish: złowrogi — evil
  • Polish: arcygroźny — evil
  • Portuguese: sinistro — evil
  • Romanian: sinistru — evil
  • Russian: злой (zloj) — evil
  • Spanish: siniestro — evil
  • German: sinister — on the left
  • German: links — on the left
  • German: linksseitig — on the left
  • Italian: sinistra — on the left
  • Portuguese: sinistro — on the left
  • Portuguese: sestro — on the left
  • Portuguese: esquerdo — on the left
  • Spanish: siniestro — on the left
  • Bulgarian: ляв (ljav) — heraldry: on the left
  • Danish: sinister — heraldry: on the left
  • Danish: heraldisk venstre — heraldry: on the left
  • Finnish: vasen — heraldry: on the left
  • Finnish: vasta- — heraldry: on the left
  • French: sénestre — heraldry: on the left
  • German: linker — heraldry: on the left
  • Italian: sinistra — heraldry: on the left
  • Spanish: siniestro — heraldry: on the left
  • Spanish: izquierdo — heraldry: on the left
  • Swedish: sinister — heraldry: on the left
  • Swedish: vänster — heraldry: on the left
Real reading context

sinister in complete knowledge articles