To shift, as the boom of a fore-and-aft sail, from one side of a vessel to the other when the wind is aft or on the quarter. See Gybe.
- To shift a fore-and-aft sail from one side of a vessel to the other while sailing before the wind so as to sail on the opposite tack.
- To cause (a sail) to jibe.
- The act of jibing.
- Informal To be in accord; agree: Your figures jibe with mine.
- Variant of gibe.