keep up with verb3 •To manage to remain beside or just behind someone or something that is moving away from one.Blake needed to run to keep up with the indignant Doctor. — 1993 •To manage to follow an argument, a discussion, etc. •(figurative) To manage to remain up to date with trends, fashions, etc.Keeping up with the latest hair trends as ever, Wella has just introduced Hair Sets in three variants. — 1992 formskept up with · keeping up with · keeps up with