Hŭm′drŭm1, a.
a. [Probably from hum and drum, for drone, q. v.] Dull; stupid. “A humdrum crone.” Bryant.
2 entries under this word
a. [Probably from hum and drum, for drone, q. v.] Dull; stupid. “A humdrum crone.” Bryant.
n. A stupid fellow; a drone.