OTB

adj

"otb" is a 3-letter English headword indexed on PlainSpell.

The verdict

“OTB” is uncommon English (frequency #82,627 among 1,431 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#82,627
frequency rank, English
1,431
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of over-the-board.

Corpus desk

Index EN-otb · OTB · English

OTB · rank #82,627 · 0 variants · 0 confusables

  • FREQ-RARE #82,627
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH ostentation

Nearest frequency peer: ostentation (-1 rank slots)

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.

Long-tail ranks near “OTB”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “OTB” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for OTB
PropertyValue
HeadwordOTB
LanguageEnglish
Part of speechAdjective
Letters3
Frequency rank#82,627
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “OTB” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).OTBfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “ostentation” (#82,626), “Orta” (#82,625), “outcall” (#82,629). Among 1,431 “O” headwords, “OTB” is #82,627. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

OTB is uncommon English at frequency #82,627 among 1,431 “O” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for OTB, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is OTB, spelled O-T-B.

Definition

  1. 1
    Initialism of over-the-board.
  2. 2
    Initialism of on the button.
  3. 3
    Initialism of on the bum/butt.

Recorded use

Wiktionary examples

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

  1. Of course, you can say "adjust" or "I adjust" as well, but "J'adoube" is recognized worldwide as the same thing—this distinction could be important if you play against someone who doesn't speak your language in an OTB game.
  2. Got the new pocket nappy OTB! Let's see if this one lasts the night.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "OTB"?
"OTB" is spelled O-T-B.
What does "OTB" mean?
As an adjective, "OTB" means: Initialism of over-the-board.
What language does "OTB" come from?
"OTB" 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "OTB", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list