definition of
drowsy

[1] #1 drowsy s. [drowsing, dozy] half asleep; "made drowsy by the long ride"; "it seemed a pity to disturb the drowsing (or dozing) professor"; "a tired dozy child"; "the nodding (or napping) grandmother in her rocking chair". wn

[2] #2 drowsy s. [oscitant, yawning] showing lack of attention or boredom; "the yawning congregation". wn