fifth-rate

Short definition from Wiktionary

Adjective

1. 1
   Of a Royal Navy warship in the Napoleonic Era: having 32–44 guns across one or two gun decks, a complement of 200–300, and weighing 700–1,450 tons burthen.
2. 2
   Terrible, awful; less than fourth-rate.
3. 3
   Alternative spelling of fifth-rate.

Noun

1. 1
   A fifth-rate warship.
2. 2
   Alternative spelling of fifth-rate.