grinn1, s. (In phrase) ~ a chur i rud, to look closely at, to take particular notice of, sth.
grinn2, a1. Perceptive, discerning; clear, accurate. Súil ghrinn, keen eye. Amharc ~, penetrating look. Rud a fhéachaint go ~, to examine sth. closely. Duine ~, shrewd, perceptive, person. Tá intinn ghrinn aige, he has a discerning mind. Caint ghrinn, penetrating speech. Is é ba ghrinne a labhair, he was the most discerning speaker. An fear is ~e i dtuiscint, the man with the keenest understanding. Sásamh ~, keen satisfaction. Eolas ~, clear, accurate, information. Cuimhne ghrinn, clear memory. Cuntas ~, clear, intelligent, account. Tá sé liom go ~, I know it exactly. ~ géar-roscach, sharp-eyed and observant.