defatigate

The adjective is first attested circa 1480, in Middle english; borrowed from Latin dēfatīgātus, perfect passive participle of dēfatīgō, see -ate (adjective-forming suffix) and -ate (verb-forming suffix).

• (UK, verb) IPA^(key): /dɪˈfætɪɡeɪt/

defatigate (comparative more defatigate, superlative most defatigate)

1. (obsolete, rare) Weary, fatigued, exhausted.
   • 1662, William Clark, Marciano; or, the Discovery‎^[1], reprint edition, published 1871, page 19:

     Let us then passe the Pomeridian hours in obambulation: for I am defatigate with session.

defatigate (third-person singular simple present defatigates, present participle defatigating, simple past and past participle defatigated)

1. (rare) To tire or make weary.
   • 1947, Alan Patrick Herbert, Topsy Turvy‎^[2], page 66:

     I must say there is something to be said, don't you agree darling, and I rather hope they'll internationalize the cosmic wireless and save us from some of this defatigating news.

• defatigation

dēfatīgāte

1. second-person plural present active imperative of dēfatīgō