\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! --Milton.
2. To make a formal accusation; to make a charge.
         Now, Master Shallow, you'll complain of me to the
         king?                                 --Shak.
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. --Daniel.
      By chaste Lucrece's soul that late complain'd Her
      wrongs to us.                            --Shak.