Standard Lemma guide

optimism

noun · 5 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.

  • General-American: /ˈɑptɪmɪzəm/
  • Received-Pronunciation: /ˈɒptɪmɪzəm/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AA1 P T AH0 M IH2 Z AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

a tendency to expect the best, or at least, a favourable outcome

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Examples

  • I love her youth, her beauty and above all her optimism that everything will turn out fine.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the doctrine that this world is the best of all possible worlds

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the belief that good will eventually triumph over evil

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a general disposition to expect the best in all things

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: pessimism

Broader terms: disposition, temperament

5

noun

Meaning 5

the optimistic feeling that all is going to turn out well

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: pessimism

Broader terms: hope

Narrower terms: sanguinity, sanguineness

History

Etymology

From French optimisme, equivalent to Latin optimus + -ism.

Across languages

Translations

72 source translations are retained for this English entry.

  • Arabic: تَفَاؤُل (tafāʔul) — a tendency to expect the best
  • Armenian: լավատեսություն (lavatesutʻyun) — a tendency to expect the best
  • Belarusian: аптымі́зм (aptymízm) — a tendency to expect the best
  • Bulgarian: оптими́зъм (optimízǎm) — a tendency to expect the best
  • Catalan: optimisme — a tendency to expect the best
  • Chinese Mandarin: 樂觀主義 /乐观主义 (lèguānzhǔyì) — a tendency to expect the best
  • Czech: optimismus — a tendency to expect the best
  • Dutch: optimisme — a tendency to expect the best
  • Finnish: optimismi — a tendency to expect the best
  • French: optimisme — a tendency to expect the best
  • Galician: optimismo — a tendency to expect the best
  • Georgian: ოპტიმიზმი (oṗṭimizmi) — a tendency to expect the best
  • German: Optimismus — a tendency to expect the best
  • German: Zuversicht — a tendency to expect the best
  • Greek: αισιοδοξία (aisiodoxía) — a tendency to expect the best
  • Hebrew: אופטימיות (optímiut) — a tendency to expect the best
  • Hindi: आशावाद (āśāvād) — a tendency to expect the best
  • Hungarian: optimizmus — a tendency to expect the best
  • Hungarian: derűlátás — a tendency to expect the best
  • Italian: ottimismo — a tendency to expect the best
  • Japanese: 楽観主義 (rakkanshugi) — a tendency to expect the best
  • Korean: 낙천주의 (nakcheonjuui) — a tendency to expect the best
  • Low German: Toversicht — a tendency to expect the best
  • Low German: Optimismus — a tendency to expect the best
  • Māori: ngākau rorotu — a tendency to expect the best
  • Marathi: आशावाद (āśāvād) — a tendency to expect the best
  • Norwegian: optimisme — a tendency to expect the best
  • Persian: خوشبینی (xoš-bini) — a tendency to expect the best
  • Polish: optymizm — a tendency to expect the best
  • Portuguese: otimismo — a tendency to expect the best
  • Romanian: optimism — a tendency to expect the best
  • Russian: оптими́зм (optimízm) — a tendency to expect the best
  • Serbo-Croatian: оптимѝзам — a tendency to expect the best
  • Serbo-Croatian: optimìzam — a tendency to expect the best
  • Spanish: optimismo — a tendency to expect the best
  • Swedish: optimism — a tendency to expect the best
  • Turkish: optimizm — a tendency to expect the best
  • Turkish: iyimserlik — a tendency to expect the best
  • Ukrainian: оптимі́зм (optymízm) — a tendency to expect the best
  • Vietnamese: sự lạc quan — a tendency to expect the best
  • Volapük: fredim — a tendency to expect the best
  • Arabic: تَفَاؤُل (tafāʔul) — the doctrine that this world is the best of all possible worlds
  • Catalan: optimisme — the doctrine that this world is the best of all possible worlds
  • Chinese Mandarin: 樂觀主義 /乐观主义 (lèguānzhǔyì) — the doctrine that this world is the best of all possible worlds
  • Finnish: optimismi — the doctrine that this world is the best of all possible worlds
  • French: optimisme — the doctrine that this world is the best of all possible worlds
  • Galician: optimismo — the doctrine that this world is the best of all possible worlds
  • Greek: αισιοδοξία (aisiodoxía) — the doctrine that this world is the best of all possible worlds
  • Japanese: 楽観主義 (rakkanshugi) — the doctrine that this world is the best of all possible worlds
  • Norwegian: optimisme — the doctrine that this world is the best of all possible worlds
  • Portuguese: otimismo — the doctrine that this world is the best of all possible worlds
  • Russian: оптими́зм (optimízm) — the doctrine that this world is the best of all possible worlds
  • Serbo-Croatian: оптимѝзам — the doctrine that this world is the best of all possible worlds
  • Serbo-Croatian: optimìzam — the doctrine that this world is the best of all possible worlds
  • Thai: สุทรรศนนิยม — the doctrine that this world is the best of all possible worlds
  • Thai: สุนิยม — the doctrine that this world is the best of all possible worlds
  • Turkish: optimizm — the doctrine that this world is the best of all possible worlds
  • Turkish: iyimserlik — the doctrine that this world is the best of all possible worlds
  • Volapük: fredim — the doctrine that this world is the best of all possible worlds
  • Arabic: تَفَاؤُل (tafāʔul) — the belief that good will eventually triumph over evil
  • Catalan: optimisme — the belief that good will eventually triumph over evil
  • Chinese Mandarin: 樂觀主義 /乐观主义 (lèguānzhǔyì) — the belief that good will eventually triumph over evil
  • Finnish: optimismi — the belief that good will eventually triumph over evil
  • French: optimisme — the belief that good will eventually triumph over evil
  • Greek: αισιοδοξία (aisiodoxía) — the belief that good will eventually triumph over evil
  • Japanese: 楽観主義 (rakkanshugi) — the belief that good will eventually triumph over evil
  • Norwegian: optimisme — the belief that good will eventually triumph over evil
  • Portuguese: otimismo — the belief that good will eventually triumph over evil
  • Russian: оптими́зм (optimízm) — the belief that good will eventually triumph over evil
  • Serbo-Croatian: оптимѝзам — the belief that good will eventually triumph over evil
  • Serbo-Croatian: optimìzam — the belief that good will eventually triumph over evil
  • Volapük: fredim — the belief that good will eventually triumph over evil