crunchy.

Likely to crunch, especially with reference to food when it is eaten.

I put some lettuce in the burger to make it more crunchy.

Having counter-culture sensibilities; nature-loving or hippie; wholesome, health-conscious.

San Francisco was a very crunchy town.

Silky mama won't typically go for cloth diapers like crunchy mama.

Of a chord, containing dissonant intervals.

Of an image, pixelated, grainy, or exhibiting blocking, often as a result of oversharpening, a low resolution, or aggressively applied lossy image compression.

Of a game, having significant calculation (number-crunching), complex analysis, or strategic optimization for players to think about.

A pellet of dry cat food.

An infantryman, as opposed to a tanker (combatant manning a tank).