OTB
OTB is the initialism of over-the-board.
OTB is the initialism of on the button.
OTB is the initialism of on the bum/butt.
OTB is the initialism of off-track betting.
OTB is the initialism of open-to-buy.
Meaning of over-the-board
Noun
over-the-board (uncountable)
- Taking place in person with players facing each other across the chessboard, as opposed to correspondence games, online tournaments, etc.
- It is extremely difficult to prove cheating in over-the-board chess and there is no evidence of wrongdoing on Niemann’s part at the event.2022 September 7, Sean Ingle, “Magnus Carlsen leaves Sinquefield Cup amid Niemann chess ‘cheating’ furore”, in The Guardian
- Synonyms:
- OTB
Meaning of on the button
Prepositional phrase
- Exactly, precisely.
- They arrived at 3:30, on the button.
- Synonyms:
- on the dot, on the money, on the nose
Questions about OTB
- What is OTB the initialism of?
- OTB is the initialism of over-the-board.
Words near OTB in the dictionary
Source and license
Adapted from Wiktionary: OTB (page history and authors); over-the-board (page history and authors); on the button (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “OTB.” Word.ws, https://word.ws/otb. Based on Wiktionary, CC BY-SA 4.0.