Not requiring anything further; merely.
By oneself; apart from, or exclusive of, others; solo.
Without outside help.
Used to emphasize the size or extent of something by selecting a subset.
Not permitting anything further; exclusively.
By oneself, solitary.
Lacking peers who share one's beliefs, experiences, practices, etc.
A second-rate ship of the line.
Of a Royal Navy ship of the line in the Napoleonic Era: having 80–98 guns across three gun decks, a complement of 700–750, and weighing approximately 2,200 tons burthen.
Of mediocre quality; not first-rate.