tiring

Tiring things make you feel exhausted or worn out. It's tiring to carry an 80-pound dog through the snow when he refuses to walk.

Tiring things make you tired, either physically or mentally. Digging a hole big enough to plant a tree is tiring, and so is studying for a big math test. You might imagine that the most tiring job would be one in which you do hard physical labor all day—until you spend a day as a preschool teacher with a class of rambunctious three-year-olds! Tiring comes from the verb tire, "to become weary."

Definitions of tiring
1

adj producing exhaustion

Synonyms:
exhausting, wearing, wearying
effortful
requiring great physical effort

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