Standard Lemma guide

serendipitous

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.

  • /ˌsɛ.ɹɛnˈdɪp.ɪ.təs/
  • /ˌsɛ.ɹənˈdɪp.ɪ.təs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S EH2 R AH0 N D IH1 P IH0 T AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

by serendipity; by unexpected good fortune

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: causeless, unintentional, accidental, accidentary, adventitious, by accident, by the by, casual, chanceable, fortuitous, incidental, lippening, occasional, random, serendipitous, unforeseen, unintended, unplanned, charmed, fortunate, freak, happy, lucky, providential, sonsy

Antonyms: none provided

2

adj

Meaning 2

good, beneficial, favorable

Definition source: English Wiktionary via Wiktextract

Examples

  • The weather was serendipitous for our vacation.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

lucky in making unexpected and fortunate discoveries

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English serendipity Proto-Indo-European *h3ed- Proto-Indo-European *-os Proto-Indo-European *h3édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Old French -usbor. Middle English -ous English -ous English serendipitous From serendipity + -ous.

Across languages

Translations

12 source translations are retained for this English entry.

  • Catalan: fortuït — by unexpected good fortune
  • Chinese Mandarin: 侥幸得到的 — by unexpected good fortune
  • Finnish: serendipinen — by unexpected good fortune
  • French: fortuit — by unexpected good fortune
  • French: sérendipiteux — by unexpected good fortune
  • Italian: serendipico — by unexpected good fortune
  • Portuguese: providencial — by unexpected good fortune
  • Portuguese: favorável — by unexpected good fortune
  • Portuguese: generoso — by unexpected good fortune
  • Portuguese: fortuito — by unexpected good fortune
  • Spanish: fortuitamente — by unexpected good fortune
  • Spanish: serendípico — by unexpected good fortune