someday

adv

"someday" is a 7-letter English headword indexed on PlainSpell.

The verdict

“someday” is a regularly-used English word, ranked #6,622 in English word frequency and used as an adverb.

#6,622
frequency rank, English
7
letters
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Sometime; at some unspecified time in the future.

Key facts for someday
PropertyValue
Headwordsomeday
LanguageEnglish
Part of speechAdverb
Letters7
Frequency rank#6,622
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “someday” 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). someday 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 someday is 7 letters long, classified as an adverb. Corpus data places it at rank #6,622 in overall English word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "Sometime; at some unspecified time in the future.".

Our generated misspelling index lists 10 likely wrong-spelling variants for someday, with forms such as "osmeday", "smoeday", and "soemday". 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. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Univerbation of some + day. The correct English form is someday, spelled S-O-M-E-D-A-Y.

Definition

  1. 1
    Sometime; at some unspecified time in the future.

Etymology

Univerbation of some + day.

This word in other languages

Common misspellings

Also misspelled as: osmeday,smoeday,soemday,somdeay,someady,somedayy,somedday,somedya,sommeday,ssomeday

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of someday - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

osmeday2smoeday2soemday2somdeay2someady2somedayy1somedday1somedya2
Edit distance from "someday"

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 "someday"?
"someday" is spelled S-O-M-E-D-A-Y.
What does "someday" mean?
As an adverb, "someday" means: Sometime; at some unspecified time in the future.
What are common misspellings of "someday"?
Common misspellings include "osmeday", "smoeday", "soemday", "somdeay", "someady". The correct spelling is "someday".
What is the origin of the word "someday"?
Univerbation of some + day. 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 “someday”

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

  • The one correct English spelling is S-O-M-E-D-A-Y - every other letter order is a misspelling in standard orthography.
  • 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