up to speed

prep_phrase

"up-to-speed" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fully informed; current.

Corpus desk

Index EN-up-to-speed · up to speed · English

up to speed · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" 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 up to speed
PropertyValue
Headwordup to speed
LanguageEnglish
Part of speechPrep_phrase
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “up to speed” in English

up to speedranks 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

up to speed is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for up to speed in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is up to speed, spelled U-P- -T-O- -S-P-E-E-D.

Definition

  1. 1
    Fully informed; current.
  2. 2
    Functioning adequately.

Recorded use

Wiktionary examples

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

  1. Is Mary up to speed on the situation in Kuala Lumpur?
  2. And I don't happen to recollect whether I did bring her up to speed on what Bert was asking for and so forth.

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 "up to speed"?
"up to speed" is spelled U-P- -T-O- -S-P-E-E-D.
What does "up to speed" mean?
As a prep_phrase, "up to speed" means: Fully informed; current.
What language does "up to speed" come from?
"up to speed" 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