concerning everyone; having an affect on all categories; entirely

The following video provides you with the correct English pronunciation of the word "across the board", to help you become a better English speaker.

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Adverb
1. including all; "we got a pay raise across the board"
(pertainym) across-the-board, all-embracing, all-encompassing, all-inclusive, blanket(a), broad, encompassing, panoptic, wide

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Adjective
1. broad in scope or content; "across-the-board pay increases"; "an all-embracing definition"; "blanket sanctions against human-rights violators"; "an invention with broad applications"; "a panoptic study of Soviet nationality"- T.G.Winner; "granted him wide powers"
(synonym) all-embracing, all-encompassing, all-inclusive, blanket(a), broad, encompassing, panoptic, wide
(similar) comprehensive

Movement or trend in the stock market that affects almost all stocks in all sectors  to move in the same direction.

All the months of a particular futures contract or futures option contract, for example, if all the copper contracts open limit up, they were limit up "across the board."

affecting all people, applies to everything We want a salary increase across the board - for all positions.