off·side (ôfsīd, ŏf-) also off·sides (-sīdz)
adv. & adj.
1. Sports Illegally ahead of the ball or puck in the attacking zone.
2. Football Illegally beyond the line of scrimmage when the ball is snapped or ahead of the ball when the ball is kicked on a kickoff.
An offside motion or play.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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