[くだける, kudakeru](v1, vi) (1) to break (into pieces); to be broken; to be smashed; (2) to collapse; to crumble; to decline; to cool (e.g. enthusiasm); to dampen (e.g. one's will to fight); (3) to become less formal; to throw off reserve; to become affable; (4) to become easy to understand (e.g. a story); (5) to be worried; (P)[Add to Longdo]
[しらける, shirakeru](v1, vi) (1) to be spoiled (spoilt); to be dampened; to become subdued (e.g. lively atmosphere); to be unamused or bored; to become apathetic; (2) to fade; to turn white; to grow light (at dawn)[Add to Longdo]
[さます, samasu](v5s, vt) to cool (e.g. from a high temperature to room temperature); to dampen; to let cool; to throw a damper on; to spoil; (P)[Add to Longdo]
[さめる, sameru](v1, vi) (1) to become cool (e.g. from a high temperature to room temperature); to come down (fever); (2) to cool down (interest); to abate; to subside; to dampen; (P)[Add to Longdo]