perennial

adj 1: (botany) lasting three seasons or more; "the common

buttercup is a popular perennial plant" [ant: {annual},

{biennial}]

2: lasting an indefinitely long time; suggesting self-renewal;

"perennial happiness"

3: recurring again and again; "perennial efforts to stipulate

the requirements" [syn: {recurrent}, {repeated}]

n : a plant lasting for three seasons or more