- of only ordinary or moderate quality; neither good nor bad; barely adequate: The car gets only mediocre mileage, but it's fun to drive.
- not satisfactory; poor; inferior: Mediocre construction makes that building dangerous.
Origin of mediocre
- often derogatory average or ordinary in qualitya mediocre book
Word Origin and History for sub-mediocre
1580s, from Middle French médiocre (16c.), from Latin mediocris "of middling height or state, moderate, ordinary," figuratively "mediocre, mean, inferior," originally "halfway up a mountain," from medius "middle" (see medial (adj.)) + ocris "jagged mountain" (cf. Greek okris "peak, point," Welsh ochr "corner, border," Latin acer "sharp;" see acrid). As a noun, "medicore thing or person," by 1834.