Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun plaint
2 senses of plaint
Sense 1
plaint -- ((United Kingdom) a written statement of the grounds of complaint made to court of law asking for the grievance to be redressed)
=> allegation -- ((law) a formal accusation against somebody (often in a court of law); "an allegation of malpractice")
Sense 2
lament, lamentation, plaint, wail -- (a cry of sorrow and grief; "their pitiful laments could be heard throughout the ward")
=> complaint -- ((formerly) a loud cry (or repeated cries) of pain or rage or sorrow)