Definition of "against the grain" in English

Prepositional phrase

1. Preventing a smooth, level surface from being formed by raising the nap of the wood or causing larger splinters to form ahead of the cutting tool below the cutting surface.

2. Contrary to what is expected; especially, of behavior different from what society expects.

   • By going against the grain and going to work nude, you've made yourself a laughing stock.

3. Unwillingly, reluctantly; contrary to one's nature.

   • It went much against the grain with him.

4. Used other than figuratively or idiomatically: see against,‎ the,‎ grain.