Importunate \Im*por"tu*nate\, a. [See {Importune}.] 1. Troublesomely urgent; unreasonably solicitous; overpressing in request or demand; urgent; teasing; as, an impotunate petitioner, curiosity. --Whewell. 2. Hard to be borne; unendurable. [R.] --Donne. -- {Im*por"tu*nate*ly}, adv. -- {Im*por"tu*nate*ness}, n.