sleepish

/ˈsliːpɪʃ/

//ˈsliːpɪʃ// adj

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

The verdict

“sleepish” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - sleepy; drowsy

Key facts for sleepish
PropertyValue
Headwordsleepish
LanguageEnglish
Part of speechAdjective
IPA/ˈsliːpɪʃ/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sleepish” sits in English frequency

sleepish falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for sleepish is 8 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈsliːpɪʃ/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "sleepy; drowsy".

Zero misspellings are on record for sleepish in our index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From sleep + -ish. The correct English form is sleepish, spelled S-L-E-E-P-I-S-H.

Definition

  1. 1
    sleepy; drowsy

Etymology

From sleep + -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 "sleepish"?
"sleepish" is spelled S-L-E-E-P-I-S-H. The IPA pronunciation is /ˈsliːpɪʃ/.
What does "sleepish" mean?
As an adjective, "sleepish" means: sleepy; drowsy
How do you pronounce "sleepish"?
The IPA (International Phonetic Alphabet) transcription for "sleepish" is /ˈsliːpɪʃ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "sleepish"?
From sleep + -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.

Using “sleepish”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-L-E-E-P-I-S-H - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsliːpɪʃ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list