थकाऊ

tiring, exhausting, fatiguing

tedious

so lacking in interest as to cause mental weariness; ; ; ; ; ; - Edmund Burke; ; - Mark Twain

exhausting

wear out completely

grueling

characterized by effort to the point of exhaustion; especially physical effort

gruelling

characterized by effort to the point of exhaustion; especially physical effort

irksome

so lacking in interest as to cause mental weariness; ; ; ; ; ; - Edmund Burke; ; - Mark Twain

killing

an event that causes someone to die

knackering

somnolent

inclined to or marked by drowsiness

tiring

lose interest or become bored with something or somebody