sure thing

intj

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

The verdict

“sure thing” is uncommon English (outside the top frequency list), classed as an interjection. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A polite reply to thank you.

Corpus desk

Index EN-sure-thing · sure thing · English

sure thing · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

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

Long-tail rank of “sure thing” in English

sure thingranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

sure thing is uncommon English outside the top frequency list, classed as aninterjection. Rarity is why readers land here mid-draft. 2 senses are on record.

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.

Recorded use

Wiktionary examples

These source excerpts show how sure thing appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. "Thanks a lot for your help." / "Sure thing!"
  2. "Can you finish by tomorrow?" / "Sure thing!"

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list