Originally Posted by carla guaraldi
frazzled (TIRED) [Show phonetics]
extremely tired in a nervous or slightly anxious way after a lot of mental or physical effort:
I've had a stressful day at work and it's left me feeling a bit frazzled.
frazzle [Show phonetics]
noun [S] INFORMAL
She's worn herself to a frazzle (= made herself very tired and nervous) trying to meet the deadline.
(from Cambridge Advanced Learner's Dictionary)
Hope this helps! Maeve