Exhausts is a verb meaning to use up or expend completely, often referring to resources, energy, or patience. It can also mean causes someone to become extremely tired or drained. In present tense it functions as a third-person singular form (exhausts) and in plural as a past tense form (they exhausts is not standard; instead, 'they exhaust' or 'they exhausted' are used depending on tense). More commonly, it appears as 'exhausts' in he/she/it exhausts.
Full pronunciation guide
