昔むかし Common Noun Noun Adverb English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' adverb (fukushi) the old days;the past;former times;a long time ago ここは昔、畑だった。 This place used to be a field. 2 noun (common) (futsuumeishi) the past ten years;the past decade used as a unit of time See also: 二昔 (ふたむかし)