1. 布满苔藓的;长满青苔的
A mossy surface is covered with moss.

e.g. ...a mossy wall.
长满青苔的墙壁

adj

1. (used pejoratively) out of fashion
old fashioned

e.g. moss-grown ideas about family life

Synonym: fogyishmoss-grownstick-in-the-mud(p)stodgy

2. overgrown with moss

Synonym: moss-grown