down-to-earth adjective sensible, practical, realistic, common-sense, matter-of-fact, sane, no-nonsense, hard-headed, unsentimental, plain-spoken She's the most down-to-earth person I've met.

Also, down-to-earth. Realistic or interested in everyday occurrences, as in She is a very down-to-earth person, not at all involved with the glamour of Hollywood. [1930s]