Longman Dictionary of Contemporary English - wise

~1 adj 1 »DECISION/IDEA ETC« wise decisions and judgements are based on good sense and experience; sensible  (I think that would be a wise precaution. | be wise to do sth)  (I think you were wise to leave when you did.) 2 »PERSON« someone who is wise makes good decisions, gives good advice etc, especially because they have a lot of experience of life  (a wise old man | older and wiser (=having learned from the experiences of life) | wise in the ways of formal (=knowing a lot about something)) 3 get wise to/be wise to informal to realize that someone is being dishonest  (I've got wise to his little tricks now.)  (- see also wise up wise2) 4 be none the wiser informal to not understand something, even after it has been explained  (Charlie explained how the system works, but I'm still none the wiser.) 5 no-one will be any the wiser spoken used to say that no-one will find out about something bad someone has done  (Just put it back on the shelf, and no-one will be any the wiser.) 6 wise guy informal especially AmE an annoying person who thinks they know more than they really do  (OK, wise guy, shut up and listen for a minute!) 7 act wise AmE spoken to speak or behave in a rude way 8 be wise after the event to know how a mistake could have been avoided, after it has been made  (- see also wisdom, sadder but wiser sad (6)) - wisely adv  (Invest the money wisely. | He nodded wisely.) ~2 v wise up phr v informal 1 to realize the unpleasant truth about a situation  (Wise up, Vic - he's cheating you!) 2 T wise someone up (to)) especially AmE to make someone realize the unpleasant truth about a situation ~3 n 1 price-wise/time-wise etc especially spoken concerning or connected with prices etc  (Time-wise we're not doing too badly.) 2 crosswise/lengthwise etc in a direction across something, along the length of something etc  (Cut the carrots lengthwise.) 3 old use a way or manner  (They are in no wise to blame.)  (- see also streetwise)