The term 'long in the past' can be represented by four different crossword solutions: PINED (5 letters), AGO (3 letters), AGESAGO (7 letters), and YEARNED (7 letters). PINED is a verb meaning to feel or express sorrow or longing, while AGO is an adverb meaning before the present time. AGESAGO is an adverb meaning a very long time AGO, and YEARNED is a verb meaning to have an intense feeling of longing. All four words indicate a period of time that has passed, often a significant amount of time.