Phrase guide

nighty

noun · phrase · 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

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1

noun

Meaning 1

Alternative spelling of nightie.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

phrase

Meaning 2

Good night; abbreviation of nighty night.

Definition source: English Wiktionary via Wiktextract

Usage: childish

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English night Old English -iġ Middle English -y English -y English nighty From night + -y (diminutive suffix).

Etymology tree Proto-Indo-European *nókwts Proto-Germanic *nahts Proto-West Germanic *naht Proto-West Germanic *nahti Old English niht Middle English nyght English night Proto-Germanic *-j-, *-ij- Proto-West Germanic *-i, *-ī Old English -iġ Middle English -y English -y English nighty From night + -y (suffix forming colloquialisms).