Found 2 items, similar to mid-fifties.
English → English (WordNet) Definition: mid-fifties mid-fifties n : the time of life between 50 and 60 [syn: fifties]
English → English (gcide) Definition: mid-fifties mid-fifties \mid-fifties\ n. the time of life between 50 and 60. Syn: fifties. [WordNet 1.5]