noun. The expression of regret, sorrow, or dissatisfaction; a murmuring; a complaint.

Expressing or expressive of complaint; lamenting; murmuring: as, to speak in a complaining tone.

In the habit of making complaint; fretful; querulous: as, a complaining child.

Sick; ill; poorly: as, he is complaining.

adjective. uttering complaints. Opposite of uncomplaining.

verb. Present participle of complain.

adjective. expressing pain or dissatisfaction of resentment

"As she gets to the top and turns she shoots one of her looks at me, her eyes wide, her mouth tightly silent but her expression complaining about everything: the state I have brought you home in, the fact that you are so unhappy and ill, the late nap that will no doubt interfere with your precious routine."

ailing  

Protestant  fretful  querulous  whiney  whiny  

abstaining  ascertaining  attaining  campaigning  caning  

Jeremianic  beef  beefing  bellyache  bellyaching  

complain