Standard Lemma guide

unserious

adj · 2 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.

  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Not serious.

Characterized by a lack of seriousness (e.g., earnestness, commitment).

Definition source: English Wiktionary via Wiktextract

Qualifier: approach; style; etc; approach; style; etc

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nonserious, facetious, flippant, frivolous

Antonyms: none provided

2

adj

Meaning 2

Not serious.

Not severe; not grave.

Definition source: English Wiktionary via Wiktextract

Qualifier: other types of problems; etc; other types of problems; etc

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nonserious, nonsevere

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English serious English unserious From un- + serious.

Across languages

Translations

9 source translations are retained for this English entry.

  • Belarusian: несур'ёзны (njesurʺjózny) — not serious — see also flippant, frivolous
  • Danish: useriøs — not serious — see also flippant, frivolous
  • Galician: pouco serio — not serious — see also flippant, frivolous
  • Georgian: არასერიოზული (araseriozuli) — not serious — see also flippant, frivolous
  • German: unseriös — not serious — see also flippant, frivolous
  • Polish: niepoważny — not serious — see also flippant, frivolous
  • Russian: несерьёзный (neserʹjóznyj) — not serious — see also flippant, frivolous
  • Swedish: oseriös — not serious — see also flippant, frivolous
  • Ukrainian: несерйо́зний (neserjóznyj) — not serious — see also flippant, frivolous