Sylvester \s(y)-lves-ter, syl-ve-ster\ as a boy's name is pronounced sil-VEST-ter. It is of Latin origin, and the meaning of Sylvester is "wooded". The name is associated with a cartoon cat in modern times. Silvestre is a French form. See also Silvanus. Actor Sylvester Stallone; rock singer Sylvester "Sly" Stone.
For more information, see also the related name Vester.
A baby name that sounds like Sylvester is Silvestro.