›to have or give an opinion, or to decide about something or someone, esp. after thinking carefully: [I]He seems to be handling the job well, but it’s really too soon to judge.[+ question word]It’s hard to judge how old he is.[T]I’m hopeless at judging distances (= guessing how far it is between places).[T]What gives you the right to judge people (= decide how good or bad they are)?›To judge a competition is to decide officially who has won.Judging by/from(alsoto judge by/from)›Judging by/from or to judge by/from refers to the reasons you have for thinking something: Judging by their home, they seem to be quite wealthy.