fret
noun
agitation resulting from active worry
“don't get in a stew”
“he's in a sweat about exams”
a spot that has been worn away by abrasion or erosion
Synonymsworn spotan ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
“there was a simple fret at the top of the walls”
a small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
verb
worry unnecessarily or excessively
“don't fuss too much over the grandchildren--they are quite big now”
be agitated or irritated
“don't fret over these small details”
provide (a musical instrument) with frets
“fret a guitar”
become or make sore by or as if by rubbing
cause annoyance in
gnaw into; make resentful or angry
“The injustice rankled her”
“his resentment festered”
carve a pattern into
decorate with an interlaced design
be too tight; rub or press
“This neckband is choking the cat”
cause friction
“my sweater scratches”
remove soil or rock
“Rain eroded the terraces”
wear away or erode
Synonymseat away
Source: WordNet 3.1, Princeton University