覆ふく水すいふくすいMeanings1nounspilt waterAlmost exclusively used in the proverb 覆水盆に返らず (spilt water will not return to the tray; what's done cannot be undone). Rarely appears independently.See also: 覆水盆に返らず「覆ふく水すい盆ぼんに返かえらず」ということわざを知しっていますか。Expressions覆ふく水すい盆ぼんに返かえらずwhat's done is done; no use crying over spilt milk