Webster's 1828 Dictionary
FREEBOOTER
n.[See Booty. ] One who wanders about for plunder; a robber; a pillager; a plunderer.
Webster's 1913 Dictionary
FREEBOOTER
Free "boot `er, n. Etym: [D. vrijbuiter, fr. vrijbuiten to plunder; vrij free + buit booty, akin to E. booty. See Free, and Booty, and cf. Filibuster. ]
Defn: One who plunders or pillages without the authority of national warfare; a member of a predatory band; a pillager; a buccaneer; a sea robber. Bacon.
FREEBOOTERY
FREEBOOTERY Free "boot `er *y, n.
Defn: The act, practice, or gains of a freebooter; freebooting. Booth.
New American Oxford Dictionary
freebooter
free boot er |ˈfrēˌbo͞otər ˈfriˌbudər | ▶noun a pirate or lawless adventurer. DERIVATIVES free boot verb ORIGIN late 16th cent.: from Dutch vrijbuiter, from vrij ‘free ’ + buit ‘booty, ’ + the noun suffix -er. Compare with filibuster .
Oxford Dictionary
freebooter
free |boot ¦er |ˈfriːbuːtə | ▶noun a pirate or lawless adventurer. DERIVATIVES freeboot verb ORIGIN late 16th cent.: from Dutch vrijbuiter, from vrij ‘free ’ + buit ‘booty ’, + the noun suffix -er. Compare with filibuster .
American Oxford Thesaurus
freebooter
freebooter noun the islands offered sanctuary to freebooters: pirate, marauder, raider; bandit, robber; adventurer, swashbuckler; historical privateer; archaic buccaneer, corsair.
Oxford Thesaurus
freebooter
freebooter noun the islands offered sanctuary to freebooters. See pirate (sense 1 of the noun ).
The Wordsmith Dictionary