Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class V. Words Releasing to the Voluntary PowersDivision (I) Individual Volition
Section III. Voluntary Action
1. Simple Voluntary Action
688. Fatigue.
SHORTNESS OF BREATH; anhelation [rare], dyspnœa or dyspnea, panting, labored breathing.
FAINTNESS, fainting, swoon, goneness, exhaustion, collapse, prostration, deliquium, syncope, lipothymy.
FATIGUE, tire, bore, weary, irk [chiefly impersonal, as, it irks me], flag, jade, harass, exhaust, knock up, wear out, bleed white, prostrate.
TAX, task, strain; overtask, overwork, overburden, overtax, overstrain, fag, fag out.
ready to drop, all in [slang], more dead than alive, dog-weary, dog-tired, walked off one’s legs, tired to death, on one’s last legs, played out, hors de combat [F.].
WORN, worn out; battered, shattered, pulled down, seedy [colloq.], enfeebled, altered.
BREATHLESS, windless; short of -, out of -breath, – wind; blown, puffing and blowing; short-breathed; anhelose; broken-winded, short-winded; dyspnœal or dyspneal, dyspnœic or dyspneic.