Com*plain" (?), v. i. [imp. & p. p. Complained (?); p. pr. & vb. n. Complaining.] [F. complaindre, LL. complangere; com- + L. plangere to strike, beat, to beat the breast or head as a sign of grief, to lament. See Plaint.] 1. To give utterance to expression of grief, pain, censure, regret. etc.; to lament; to murmur; to find fault; -- commonly used with of. Also, to creak or squeak, as a timber or wheel.

O loss of sight, of thee I most complain!

2. To make a formal accusation; to make a charge.

Now, Master Shallow, you'll complain of me to the king?

Syn. -- To repine; grumble; deplore; bewail; grieve; mourn; regret; murmur.

Com*plain", v. t. To lament; to bewail. [Obs.]

They might the grievance inwardly complain.

By chaste Lucrece's soul that late complain'd
Her wrongs to us.