Monday

/ˈmʌn.deɪ/

//ˈmʌn.deɪ// noun

"monday" is a 6-letter English headword indexed on PlainSpell.

The verdict

“Monday” is a regularly-used English word, ranked #1,666 in English word frequency and used as a noun.

#1,666
frequency rank, English
6
letters
9
tracked misspellings
16
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The second day of the week in many religious traditions, and the first day of the week in systems using the ISO 8601 norm. It follows Sunday and precedes Tuesday.

Visual similarity to commonly confused words

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

Monday vs money
50% similar
Monday vs moody
50% similar
Monday vs Monty
67% similar

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

Key facts for Monday
PropertyValue
HeadwordMonday
LanguageEnglish
Part of speechNoun
IPA/ˈmʌn.deɪ/
Letters6
Frequency rank#1,666
Misspellings tracked9
Confusable pairs16
SourceWiktionary (kaikki.org)

Where “Monday” 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). Monday 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 Monday is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈmʌn.deɪ/. Corpus data places it at rank #1,666 in overall English word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "The second day of the week in many religious traditions, and the first day of the week in systems using the ISO 8601 norm. It follows Sunday and precedes Tuesday.".

Our generated misspelling index lists 9 likely wrong-spelling variants for Monday, with forms such as "mmonday", "mnoday", and "modnay". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 16 confusable-pair relationships, "money", "moody", "Monty", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English Monday, Monenday, from Old English mōnandæġ (“day of the moon”), from Proto-West Germanic *mānini dag, a calque (interpretātiō germānica) of Latin diēs Lūnae, equivalent to Moon + day. See also Japanese 月曜日 (“Moon's day”). Cognates Compa… The correct English form is Monday, spelled M-O-N-D-A-Y.

Definition

  1. 1
    The second day of the week in many religious traditions, and the first day of the week in systems using the ISO 8601 norm. It follows Sunday and precedes Tuesday.

Etymology

From Middle English Monday, Monenday, from Old English mōnandæġ (“day of the moon”), from Proto-West Germanic *mānini dag, a calque (interpretātiō germānica) of Latin diēs Lūnae, equivalent to Moon + day. See also Japanese 月曜日 (“Moon's day”). Cognates Compare Scots Monanday (“Monday”), Yola Mondei (“Monday”), Saterland Frisian Moundai (“Monday”), West Frisian moandei (“Monday”), Alemannic German meintog, miantag, méntag, mìntàg, mäntag, Määntig (“Monday”), Bavarian Monda, Mondåg, montach, monti (“Monday”), Cimbrian matak, menta, méentag (“Monday”), Dutch maandag (“Monday”), German Montag (“Monday”), German Low German Maandag (“Monday”), Luxembourgish Méindeg (“Monday”), Mòcheno ma'ta (“Monday”), Pennsylvania German Mundaag, Muundaag (“Monday”), Vilamovian möntaog (“Monday”), West Flemish moandag (“Monday”), Yiddish מאָנטיק (montik, “Monday”), Danish, Norwegian Bokmål mandag (“Monday”), Faroese mánadagur (“Monday”), Icelandic mánudagur (“Monday”), Norwegian Nynorsk, Swedish måndag (“Monday”), Finnish maanantai (“Monday”).

Synonyms

MonMon.washing day

This word in other languages

Common misspellings

Also misspelled as: mmonday,mnoday,modnay,monady,mondayy,mondday,mondya,monnday,omnday

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Monday - 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.

mmonday1mnoday2modnay2monady2mondayy1mondday1mondya2monnday1
Edit distance from "Monday"

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 "Monday"?
"Monday" is spelled M-O-N-D-A-Y. The IPA pronunciation is /ˈmʌn.deɪ/.
What does "Monday" mean?
As a noun, "Monday" means: The second day of the week in many religious traditions, and the first day of the week in systems using the ISO 8601 norm. It follows Sunday and precedes Tuesday.
What words are commonly confused with "Monday"?
"Monday" is commonly confused with "money", "moody", "Monty". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Monday"?
The IPA (International Phonetic Alphabet) transcription for "Monday" is /ˈmʌn.deɪ/. 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 "Monday"?
From Middle English Monday, Monenday, from Old English mōnandæġ (“day of the moon”), from Proto-West Germanic *mānini dag, a calque (interpretātiō germānica) of Latin diēs Lūnae, equivalent to Moon + day. See also Japanese 月曜日 (“Moon's day”). Cogn... 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 “Monday”

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

  • The one correct English spelling is M-O-N-D-A-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈmʌn.deɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “money” - see the side-by-side comparison. Monday vs money
  • 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