Definitions for opportunisticˌɒp ər tuˈnɪs tɪk, -tyu-
Random House Webster's College Dictionary
op•por•tun•is•ticˌɒp ər tuˈnɪs tɪk, -tyu-(adj.)
adhering to a policy of opportunism; practicing opportunism.
(of a microorganism) causing disease only under certain conditions, as when a person's immune system is impaired. (of a disease or infection) caused by such an organism, as pneumocystis pneumonia in a person with AIDS.
Category: Pathology, Immunology
Origin of opportunistic:
opportunist, opportunistic, timeserving(adj)
taking immediate advantage, often unethically, of any circumstance of possible benefit
taking advantage of situations that arise
said of people who will take advantage of situations to advance their own interests, without regard for principles
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"opportunistic." Definitions.net. STANDS4 LLC, 2013. Web. 5 Dec. 2013. <http://www.definitions.net/definition/opportunistic>.