In this paper, we investigate the relationship among soft sets, rough sets, fuzzy sets and lattices. The notion of soft rough fuzzy lattices (ideals, filters) over lattices is introduced, which is an extended notion of soft rough lattices (ideals, filters) and rough fuzzy lattices (ideals, filters) over lattices. Moreover, we study roughness in lattices with respects to a soft approximation space. Some new soft rough fuzzy operations over lattices are explored. In particular, lower and upper soft rough fuzzy lattices (ideals, filters) over lattices with respect to another fuzzy soft set are investigated.
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