adj. & v.
--adj.
1. giving or producing in large quantities; profuse.
2 generous, unstinting.
3 excessive, over-abundant.
--v.tr. (often foll. by on) bestow or spend (money, effort, praise, etc.) abundantly.
Derivatives:
lavishly adv. lavishness n.
Etymology: ME f. obs. lavish, lavas (n.) profusion f. OF lavasse deluge of rain f. laver wash