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serious

adjectiveadverbtop 1 000 in film dialogue

  • United Kingdom//ˈsɪə̯.ɹi.əs//
  • United Kingdom//ˈsɪː.ɹi.əs//
  • United States//ˈsɪɚ.i.əs//
  • //ˈsɪɹ.i.əs//

Without humor or expression of happiness; grave in manner or disposition.

adjective

  1. 1

    Without humor or expression of happiness; grave in manner or disposition.

    deadly serious

    It was a surprise to see the captain, who had always seemed so serious, laugh so heartily.

  2. 2

    Important; weighty; not insignificant.

    This is a serious problem. We'll need our best experts.

  3. 3

    Really intending what is said (or planned, etc); in earnest; not jocular or deceiving.

    After all these years, we're finally getting serious attention.

    He says he wants to buy the team, but is he serious?

  4. 4

    Committed.

Etymology

Etymology tree Proto-Indo-European *seh₁- Proto-Indo-European *-rós Proto-Italic *sēros Latin sērus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius ? Proto-Indo-European *swer- Proto-Indo-European *-yós Proto-Italic *swerjos? Latin sērius Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Medieval Latin sēriōsus Old French serieuxbor. Middle English seryows English serious From Middle English seryows, from Old French serieux, from Medieval Latin sēriōsus, an extension of Latin sērius (“grave, earnest, serious”), possibly ultimately from Proto-Indo-European *swer- (“heavy”). (If this root is correct, cognate with German schwer (“heavy, difficult, severe”), Old English swǣr (“heavy, grave, grievous”). More at swear, sweer. However, see sērius for an alternative derivation of the Latin.)

adverb

  1. 1

    seriously, in a serious manner (most often heard in take or mean serious)

    The only time I walk out on singin' is when there's muckin' about and youse don't take it serious.

Forms

comparative
more serious
superlative
most serious
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).