▪ I.tentful,n. see tent n.1 ▪ II.ˈtentful,a. Now dial. [f. tent n.2 + -ful.] Careful; full of attention. c1450Holland Howlat 420 And vthir signess, forsuth syndry I gess, Off metallis and colouris in tentfull atyr.1870Lady Verney L. Lisle vi. 77 He's a very 'tentful man.