nightish

adj

"nightish" is a 8-letter English headword indexed on PlainSpell.

The verdict

“nightish” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or pertaining to night; nocturnal.

Corpus desk

Index EN-nightish · nightish · English

nightish · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for nightish
PropertyValue
Headwordnightish
LanguageEnglish
Part of speechAdjective
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nightish” in English

nightishsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nightish is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of or pertaining to night; nocturnal.".

The misspelling generator found no plausible variants for nightish, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English nyghtyssh, equivalent to night + -ish. The correct English form is nightish, spelled N-I-G-H-T-I-S-H.

Definition

  1. 1
    Of or pertaining to night; nocturnal.

Recorded use

Wiktionary examples

These source excerpts show how nightish appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. c. 1565-1570, George Turberville, A Lover's Vow When hawks shall dread the silly fowl, / And men esteem the nightish owl
  2. Star light's nights twinkling. Moonlight is nightish, Sun makes day: […]

Etymology

From Middle English nyghtyssh, equivalent to night + -ish.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "nightish"?
"nightish" is spelled N-I-G-H-T-I-S-H.
What does "nightish" mean?
As an adjective, "nightish" means: Of or pertaining to night; nocturnal.
What is the origin of the word "nightish"?
From Middle English nyghtyssh, equivalent to night + -ish. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list