A group of bacteria or viruses that are genetically distinct from other groups of the same species, Any of the various lines of ancestry united in an individual or a family; ancestry or lineage, The tone, tenor, or substance of a verbal utterance or of a particular action or behavior, intransitive verb_ To pass (a liquid) through a filtering agent such as a strainer, To force beyond the proper or reasonable limit, To contract or exert one's muscles to the utmost