not to worry

phrase

"not-to-worry" is a 10-letter English headword indexed on PlainSpell.

The verdict

“not to worry” is outside the top-ranked English vocabulary, used as a phrase - the kind of word writers most often double-check.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - There is no need for concern; there isn't a serious problem.

Key facts for not to worry
PropertyValue
Headwordnot to worry
LanguageEnglish
Part of speechPhrase
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “not to worry” sits in English frequency

not to worry 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 not to worry is 12 letters long, classified as a phrase. 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: "There is no need for concern; there isn't a serious problem.".

No misspelling variants are generated for not to worry in our index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: The origin of the phrase is unknown. According to Partridge’s Dictionary of Catch Phrases the idiom dates from the mid-1930s with a surge in 1957–8. The correct English form is not to worry, spelled N-O-T- -T-O- -W-O-R-R-Y.

Definition

  1. 1
    There is no need for concern; there isn't a serious problem.

Etymology

The origin of the phrase is unknown. According to Partridge’s Dictionary of Catch Phrases the idiom dates from the mid-1930s with a surge in 1957–8.

Synonyms

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 "not to worry"?
"not to worry" is spelled N-O-T- -T-O- -W-O-R-R-Y.
What does "not to worry" mean?
As a phrase, "not to worry" means: There is no need for concern; there isn't a serious problem.
What is the origin of the word "not to worry"?
The origin of the phrase is unknown. According to Partridge’s Dictionary of Catch Phrases the idiom dates from the mid-1930s with a surge in 1957–8. 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 “not to worry”

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

  • The one correct English spelling is N-O-T- -T-O- -W-O-R-R-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