Individual plurilingualism: 1  For the individual, plurilingualism is known to produce cognitive advantage (Bialystok, 2001) 2  It improves performance on a range of tasks related to educational attainment (Ricciardelli, 1992)  It facilitates the acquisition of literacy (Kenner, 2004)
Adversary definition, a person, group, or force that opposes or attacks; opponent; enemy; foe. See more.
Hostile and inclined to be aggressive. aggressive: characteristic of an enemy or one eager to fight; engaged in war; combatant: someone who fights (or is fighting); A belligerent is an individual, group, country or other entity which acts in an aggressive or hostile manner, such as engaging in combat; country or other group which starts or carries on a war; Of or pertaining to war; Engaged in war, warring;