ustel

Etymology
. The Lapurdian dialect has the forms bustel, pustel and phustel. Zuberoan has üstel with unexpected fronting of u before s. This word may be a loan from an unknown language, though dropping b before u occurs sporadically in native words as well.

Adjective

 * 1) rotten
 * 2) corrupt, crooked, two-faced, dishonest

Noun

 * 1) rot, decay
 * 2)  foul
 * 3)  flunking, not passing, failure
 * 4) shirker, dead weight