Noun

1. The drift of a ship or airplane in a leeward direction.
2. A varying degree or amount of freedom or flexibility; margin, latitude, elbowroom

   I don't think we have a lot of leeway when it comes to proper formatting.

   • 2005, James Gosling et al., The Java Language Specification, Third Edition, Prentice Hall PTR, ISBN 0321246780, section 15.4 “FP-strict Expressions”,

     Within an expression that is not -strict, some leeway is granted for an implementation to use an extended exponent range to represent intermediate results;

3. An adverse discrepancy or variation in a cumulative process, usually in make up leeway.