happy

/ˈhæp.i/

//ˈhæp.i// adj

By · According to Wiktionary data (CC BY-SA) ·

"happy" is a 5-letter English headword indexed on PlainSpell.

The verdict

“happy” is in the everyday core of English, ranked #443 in English word frequency and used as an adjective.

#443
frequency rank, English
5
letters
6
tracked misspellings
17
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

happy vs hay
60% similar
happy vs harp
60% similar
happy vs hazy
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for happy
PropertyValue
Headwordhappy
LanguageEnglish
Part of speechAdjective
IPA/ˈhæp.i/
Letters5
Frequency rank#443
Misspellings tracked6
Confusable pairs17
SourceWiktionary (kaikki.org)

Where “happy” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). happy lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for happy is 5 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈhæp.i/. Corpus data places it at rank #443 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for happy, with forms such as "ahppy", "happyy", and "hapy". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 17 confusable-pair relationships, "hay", "harp", "hazy", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English happy (“fortunate, happy”), perhaps an alteration of Middle English happyn, happen (“fortunate, happy”), possibly related to or from Old Norse heppinn (“fortunate, happy”); and potentially assimilated to be equivalent to hap (“chance, lu… The correct English form is happy, spelled H-A-P-P-Y.

Definition

  1. 1
    Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.
  2. 2
    Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky.
  3. 3
    Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky.
  4. 4
    Content, willing, satisfied (with or to do something); having no objection (to something).
  5. 5
    Bringing or being an instance of favourable fortune; apt, felicitous, fortunate, propitious.
  6. 6
    Favoring or inclined to use.
  7. 7
    Dexterous, ready, skilful.
  8. 8
    Implying “May you have a happy ⁓” or similar; used in phrases to wish someone happiness or good fortune at the time of a festival, celebration, or other event or activity.

Etymology

From Middle English happy (“fortunate, happy”), perhaps an alteration of Middle English happyn, happen (“fortunate, happy”), possibly related to or from Old Norse heppinn (“fortunate, happy”); and potentially assimilated to be equivalent to hap (“chance, luck, fortune”) + -y. Compare also Icelandic heppinn (“lucky”), Faroese heppin (“fortunate, lucky, happy”), Norwegian Nynorsk heppen (“lucky”), Scots happin (“fortunate, blessed”). See further at hap.

Synonyms

berserkblissed outblithebuoyantblithesomebonniebrightcheerfulcheerlycheerychuffedcock-a-hoopcontentcontentedconvivialdelightedebullientecstaticelatedenthusiasticeuphoricexcitedexhilaratedexuberantexultantfat and happygassedgaygayfulgiddygladgladsomegleefulgleesomehappyheartyhigh on lifejovialjoyfuljoyousmerrymerry as a cricketmerry as a grigmirthsomeon cloud nineoverjoyedoverjoyousover the moonpacificperkyplacatedpleasedsatisfiedstokedthrilledtickled pinktriumphantvivaciouswealfulhappy as a clamhappy as a clam at high waterhappy as a larkhappy as a pig in mudhappy as a pig in shithappy as a princehappy as Larryhappy as the day is longhyped

Antonyms

dejecteddepresseddiscontenteddissatisfiedgloomymiserablesadunhappy

This word in other languages

feliz(Español)heureux(Français)zufrieden(Deutsch)feliz(Português)

Common misspellings

Also misspelled as: ahppy,happyy,hapy,hapyp,hhappy,hpapy

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of happy - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ahppy2happyy1hapy1hapyp2hhappy1hpapy2
Edit distance from "happy"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "happy"?
"happy" is spelled H-A-P-P-Y. The IPA pronunciation is /ˈhæp.i/.
What does "happy" mean?
As an adjective, "happy" means: Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.
What words are commonly confused with "happy"?
"happy" is commonly confused with "hay", "harp", "hazy". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "happy"?
The IPA (International Phonetic Alphabet) transcription for "happy" is /ˈhæp.i/. 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 "happy"?
From Middle English happy (“fortunate, happy”), perhaps an alteration of Middle English happyn, happen (“fortunate, happy”), possibly related to or from Old Norse heppinn (“fortunate, happy”); and potentially assimilated to be equivalent to hap (“... 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 “happy”

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

  • The one correct English spelling is H-A-P-P-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈhæp.i/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “hay” - see the side-by-side comparison. happy vs hay
  • 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