one at a time

adv

"one-at-a-time" is a 10-letter English headword indexed on PlainSpell.

The verdict

“one at a time” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - During sequentially discrete instances.

Corpus desk

Index EN-one-at-a-time · one at a time · English

one at a time · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 one at a time
PropertyValue
Headwordone at a time
LanguageEnglish
Part of speechAdverb
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “one at a time” in English

one at a timefalls 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.

Rare enough to double-check

one at a time is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "During sequentially discrete instances.".

The misspelling generator found no plausible variants for one at a time, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is one at a time, spelled O-N-E- -A-T- -A- -T-I-M-E.

Definition

  1. 1
    During sequentially discrete instances.

Recorded use

Wiktionary examples

These source excerpts show how one at a time appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. He ate the peas on his plate one at a time.
  2. One at a time, please! I can't hear you if you all talk at once.

Synonyms

Antonyms

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 "one at a time"?
"one at a time" is spelled O-N-E- -A-T- -A- -T-I-M-E.
What does "one at a time" mean?
As an adverb, "one at a time" means: During sequentially discrete instances.
What language does "one at a time" come from?
"one at a time" 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