fire up

verb

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

The verdict

“fire up” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To ignite.

Corpus desk

Index EN-fire-up · fire up · English

fire up · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" 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 fire up
PropertyValue
Headwordfire up
LanguageEnglish
Part of speechVerb
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “fire up” in English

fire upranks 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

fire up is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 5 senses are on record.

Our edit-distance generator produced no likely misspellings for fire up, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is fire up, spelled F-I-R-E- -U-P.

Definition

  1. 1
    To ignite.
  2. 2
    Of an engine or similar, to start.
  3. 3
    To launch; to run.
  4. 4
    To excite; to infuse with energy.
  5. 5
    To grow irritated or angry.

Recorded use

Wiktionary examples

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

  1. Let's fire up the grill and have a barbecue.
  2. They're[renewables] not strong enough to fire up the plants that you need to make your country great. The wind doesn't blow. Those big windmills are so pathetic and so bad, so expensive to operate, and they have to be rebuilt all the time and they start to rust and rot.

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 "fire up"?
"fire up" is spelled F-I-R-E- -U-P.
What does "fire up" mean?
As a verb, "fire up" means: To ignite.
What language does "fire up" come from?
"fire up" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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