extraordinary; remarkable; exceptional: a singular success.
2.
unusual or strange; odd; different: singular behavior.
3.
being the only one of its kind; distinctive; unique: a singular example.
4.
separate; individual.
5.
Grammar. noting or pertaining to a member of the category of number found in many languages that indicates that a word form has one referent or denotes one person, place, thing, or instance, as English boy and thing,which are singular nouns, or goes, a singular form of the verbgo.Compare dual(def. 4), plural(def. 4).