köken: Learnedly, from Ancient Greek ἀγνώμων (agnṓmōn, “opinionless, lacking any judgement, hard-hearted,”), from Ancient Greek ἀ- (a-, “un-”) (α- (a-) privative) + γνώμη (gnṓmē, “opinion, counsel”). Semantic loan from French ingrat. Also substantivised. :* The ancient neuter ἄγνωμον (ágnōmon), with stress shift to αγνώμον (agnómon).
Αν και του έδωσαν αύξηση μισθού, ήταν εντελώς αγνώμων.
ungrateful (showing ingratitude; not feeling, not expressing gratitude, thankfulness) · inappropriate, unfavorable, inconducive (such that it does not contribute to some desired state or situation)
çekim: karşılaştırma nepateicīgāks · üstünlük visnepateicīgākais
köken: From ne- + pateicīgs (“grateful”), with pateicīgs from pateik(ties) (“to thank”) + -īgs, with k > c via palatalization (and with pateikties being originally the reflexive form of pateikt (“to say, to express”), from pa- + teikt (“to say”)).