Cracked
Part of speech: verb
Definition: To form cracks.
Part of speech: adjective
Definition: Broken so that cracks appear on, or under, the surface. Broken into coarse pieces. Harsh or dissonant. Crazy; crackpot.
Example sentence: When most people think of Woodrow Wilson, they see a dour minister's son who never cracked a smile, where in fact he was a man of genuine joy and great sadness.
Unsmooth
Part of speech: adjective
Definition: Not smooth; rough.