1) Inarticulate 2) Unarticulate 
[tennis] Grunting in tennis refers to the very loud noise, sometimes described as `shrieking` or `screaming`, made by some players while hitting their shots. It is prominent in both men`s and women`s tennis. Many players and spectators find it to be distracting or obnoxious above a certain sound level. Monica Seles and Jimmy Connors are gen...
• (p. pr. & vb. n.) of Grunt
Usually angry, watch out or you could get bitten
[adj] - making short inarticulate guttural sounds as of effort expended
adjective making short inarticulate guttural sounds as of effort expended; `ferries grunting on the river`; `grunting boxers`
A noise made by a baby with breathing difficulties.
soft short sounds that a baby makes when breathing out. Grunting occurs when a baby is having difficulty breathing.