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grueling |
very tiring or difficult. |
participle |
a form of a verb that can also sometimes be used as an adjective. In the sentence "The broken machine was very tiring to fix," the words "broken," and "tiring" are participles. |
strain1 |
tiring or heavy pressure on the mind. [1/13 definitions] |
trudge |
a long, tiring walk. [1/2 definitions] |
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