frazzle
verb
[ ˈfraz(ə)l ]
• cause to show the effects of exhaustion or strain.
• "Richard was frequently frazzled by the conflicting demands of work and home"
• damage or cause to shrivel by burning or exposure to heat.
• "families whose homes overlook a field that was frazzled by the fire feared that the flames would reach their houses"
frazzle
noun
• the state of being completely exhausted.
• "I'm tired, worn to a frazzle"
• the state of being completely burned.
• "the grass was regrowing within days of being burned to a frazzle"
Origin:
early 19th century: perhaps a blend of fray1 and obsolete fazle ‘ravel out’, of Germanic origin. The word was originally East Anglian dialect, with the meaning ‘tear or unravel’; it came into standard British English via the US.