big up

verb

"big-up" is a 5-letter English headword indexed on PlainSpell.

The verdict

“big 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
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To increase one's muscle mass.

Corpus desk

Index EN-big-up · big up · English

big up · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 big up
PropertyValue
Headwordbig up
LanguageEnglish
Part of speechVerb
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “big up” in English

big 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

big up is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 4 senses are on record.

Our edit-distance generator produced no likely misspellings for big up, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is big up, spelled B-I-G- -U-P.

Definition

  1. 1
    To increase one's muscle mass.
  2. 2
    To become big.
  3. 3
    To behave confidently and proudly.
  4. 4
    To proclaim or exaggerate the importance of; to promote.

Recorded use

Wiktionary examples

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

  1. She was bigged up—had a weight-lifter's rippling arms.
  2. Relatively simple multicellular forms had already existed for a hundred million years when the Cambrian began: the explosion had a long fuse, and during this earlier fizzling life experimented with various ways to big up.

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 "big up"?
"big up" is spelled B-I-G- -U-P.
What does "big up" mean?
As a verb, "big up" means: To increase one's muscle mass.
What language does "big up" come from?
"big up" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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