sure thing

intj

"sure-thing" is a 9-letter English headword indexed on PlainSpell.

The verdict

“sure thing” is outside the top-ranked English vocabulary, used as an interjection - the kind of word writers most often double-check.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A polite reply to thank you.

Key facts for sure thing
PropertyValue
Headwordsure thing
LanguageEnglish
Part of speechInterjection
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sure thing” sits in English frequency

sure thing 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 sure thing is 10 letters long, classified as an interjection. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

No misspelling variants are generated for sure thing in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is sure thing, spelled S-U-R-E- -T-H-I-N-G.

Definition

  1. 1
    A polite reply to thank you.
  2. 2
    An affirmative reply; yes; certainly.

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 "sure thing"?
"sure thing" is spelled S-U-R-E- -T-H-I-N-G.
What does "sure thing" mean?
As an interjection, "sure thing" means: A polite reply to thank you.
What language does "sure thing" come from?
"sure thing" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “sure thing”

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

  • The one correct English spelling is S-U-R-E- -T-H-I-N-G - 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