humidify

/hjuːˈmɪdɪfaɪ/

//hjuːˈmɪdɪfaɪ// verb

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

The verdict

“humidify” is uncommon English (outside the top frequency list), classed as a verb. 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) - To increase the humidity in the air.

Corpus desk

Index EN-humidify · humidify · English

humidify · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" 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 humidify
PropertyValue
Headwordhumidify
LanguageEnglish
Part of speechVerb
IPA/hjuːˈmɪdɪfaɪ/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “humidify” in English

humidifyranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

humidify is uncommon English outside the top frequency list, classed as averb, transcribed /hjuːˈmɪdɪfaɪ/. Rarity is why readers land here mid-draft. Gloss: "To increase the humidity in the air.".

Our edit-distance generator produced no likely misspellings for humidify, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From humid + -ify. The correct English form is humidify, spelled H-U-M-I-D-I-F-Y.

Definition

  1. 1
    To increase the humidity in the air.

Recorded use

Wiktionary example

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

  1. The air-handling equipment humidifies, dehumidifies, and distributes the correct amount of fresh air into every zone and eliminates all smoke, dust, and odors, with electric precipitrons.

Etymology

From humid + -ify.

Antonyms

This word in other languages

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 "humidify"?
"humidify" is spelled H-U-M-I-D-I-F-Y. The IPA pronunciation is /hjuːˈmɪdɪfaɪ/.
What does "humidify" mean?
As a verb, "humidify" means: To increase the humidity in the air.
How do you pronounce "humidify"?
The IPA (International Phonetic Alphabet) transcription for "humidify" is /hjuːˈmɪdɪfaɪ/. 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 "humidify"?
From humid + -ify. 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