Γενεὰ [19 verses](noun sg fem nom) "Generation" is genea, which means "race," "offspring," "class," "sort," "type," "generation," "age," and "kind." It is a form of the word from which we get the scientific word,"genus." -- The word translated as "generation" means "race," "offspring," "class," "sort," "type," "generation," "age," and "kind." " The sense is a "type" or a "specimen" of a particular type.   Jesus uses it to refer to a type of person, specifically those like the Pharisees. See this article. This is a feminine noun so it is slightly insulting when applied to men. There is also a neuter form the means the same things.