Bougainvillean

== English == === Etymology === From Bougainville +‎ -an. === Noun === Bougainvillean (plural Bougainvilleans) A native or inhabitant of Bougainville. === Adjective === Bougainvillean (comparative more Bougainvillean, superlative most Bougainvillean) Of, from or relating to Bougainville.