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]