Crossword clues for Keen on 4 letters:KEENHighly honedKEENHave a good mourning?KEENAvidKEENBang-upKEENMentally acuteKEENWailKEENVery sensitiveKEENWail loudlyKEENFierce, like competitionKEENFinely honedKEENEagerKEENFinely sharpenedKEENPerceptiveKEENPeachy followerKEENQuick-wittedKEENEnthusiasticKEENChamping at the bitKEENJim-dandyKEENZealousKEENEager or enthusiasticKEENWell-honedKEENSharp, as intellectKEENPeachyKEENBlunt's antonymKEENSharp as a tackKEENAcutely sensitiveKEENSharp-edgedKEENSharpKEENIntent (on)KEENSplendid, slangilyKEENAstuteKEENOld-school "rad"KEENDiscerningKEENAcuteKEENWith hot enthusiasmKEENMentally with itKEENHighly developedKEENPeachy ___KEENRather interestedKEENIntellectually sharpKEENLike some interestKEENWord describing Sue's wits in Johnny Cash's "A Boy Named Sue"KEENNeato!KEENFresh from honingKEENRapierlikeKEENRazor-sharpKEENPeachy-__KEENNiftyKEENLoud wailKEENIncisive