Com-plain'1, v. i.
v. i. [imp. & p. p. COMPLAINED; p. pr. & vb. n. COMPLAINING.] [Fr. complaindre, L. Lat. complangere, from com, for con, and plaindre, Lat. plangere, to strike, beat, especially with a noise, to beat the breast or head as a sign of grief, to lament aloud, to bewail; Pr. complanger, complaigner, complaigner, O. Sp. complañir, It. compiangere.]
Sense 1. To express distress, pain, or censure; to lament; to murmur; to find fault; — commonly used with of.
O loss of sight, of thee I most complain. Milton.
Sense 2. To make a formal assertion of injuries; to bring an accusation; to make a charge.
Now, Master Shallow, you'll complain of me to the king? Shak.