Webster's Revised Unabridged Dictionary · 1913

Underboard

Underboard , adverb

Under the board, or table; hence, secretly; unfairly; underhand. See the Note under Aboveboard.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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