55th
1. [ adjective ] the ordinal number of fifty-five in counting order
Synonyms: fifty-fifth
Related terms: ordinal
Similar spelling:   155th
  5th
  95th
  85th
  75th
  65th
  45th
  35th
  25th
  15th
  175th
  165th
  145th
  135th
  125th
  115th
  105th