noun · 4 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.
/ˈsɪlinɪs/
/-nəs/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S IH1 L IY0 N AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
That which is perceived as silly or frivolous.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An act that is silly; a result of being silly.
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
an impulsive scatterbrained manner
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: giddiness
Antonyms: none provided
Broader terms: frivolity, frivolousness
Narrower terms: lightsomeness, lightness
4
noun
Meaning 4
a ludicrous folly
Definition source: Princeton WordNet 3.0
Examples
the crowd laughed at the absurdity of the clown's behavior
Meaning relationships
Synonyms: absurdity, fatuity, fatuousness
Antonyms: none provided
Broader terms: folly, foolishness, unwiseness
History
Etymology
Etymology tree English silly Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English silliness From silly + -ness.
Across languages
Translations
32 source translations are retained for this English entry.
Catalan:
ximpleria
— that which is perceived as silly or frivolous
French:
bêtise
— that which is perceived as silly or frivolous
French:
stupidité
— that which is perceived as silly or frivolous
German:
Dummheit
— that which is perceived as silly or frivolous
German:
Albernheit
— that which is perceived as silly or frivolous
Irish:
aerthacht
— that which is perceived as silly or frivolous
Irish:
breallaireacht
— that which is perceived as silly or frivolous
Irish:
breallántacht
— that which is perceived as silly or frivolous
Irish:
brealsúnacht
— that which is perceived as silly or frivolous
Irish:
bundúnacht
— that which is perceived as silly or frivolous
Irish:
diúide
— that which is perceived as silly or frivolous
Irish:
dreolánacht
— that which is perceived as silly or frivolous
Irish:
éagantacht
— that which is perceived as silly or frivolous
Irish:
gamalacht
— that which is perceived as silly or frivolous
Irish:
gogaideacht
— that which is perceived as silly or frivolous
Irish:
guanacht
— that which is perceived as silly or frivolous
Irish:
leamhas
— that which is perceived as silly or frivolous
Irish:
leimhe
— that which is perceived as silly or frivolous
Irish:
málóideacht
— that which is perceived as silly or frivolous
Irish:
óinsiúlacht
— that which is perceived as silly or frivolous
Irish:
pleotaíocht
— that which is perceived as silly or frivolous
Italian:
stupidità
— that which is perceived as silly or frivolous
Latin:
fatuitās
— that which is perceived as silly or frivolous
Latin:
socordia
— that which is perceived as silly or frivolous
Latvian:
muļķība
— that which is perceived as silly or frivolous
Latvian:
dumjība
— that which is perceived as silly or frivolous
Manx:
meecheeall
— that which is perceived as silly or frivolous
Manx:
meecheeallid
— that which is perceived as silly or frivolous
Scottish Gaelic:
amaideas
— that which is perceived as silly or frivolous
Swedish:
larv
— that which is perceived as silly or frivolous
Swedish:
dumhet
— that which is perceived as silly or frivolous
Swedish:
fånighet
— that which is perceived as silly or frivolous