Complain (k&obreve_;mplān), v. i. [imp. & p. p. Complained (k&obreve_;mplānd); 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.
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O loss of sight, of thee I most complain! Milton.
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2. To make a formal accusation; to make a charge.
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Now, Master Shallow, you'll complain of me to the king? Shak.

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