Also found in: Thesaurus, Medical, Wikipedia.
Related to opportunistic: Opportunistic disease
Taking immediate advantage, often unethically, of any circumstance of possible benefit.
1. of or characterized by opportunism
2. (Medicine) med (of an infection) caused by any microorganism that is harmless to a healthy person but debilitates a person whose immune system has been weakened by disease or drug treatment
op•por•tun•is•tic(ˌɒp ər tuˈnɪs tɪk, -tyu-)
1. adhering to a policy of opportunism; practicing opportunism.
a. (of a microorganism) causing disease only under certain conditions, as when a person's immune system is impaired.
b. (of a disease or infection) caused by such an organism, as pneumocystis pneumonia in a person with AIDS.
opportunistic[ˌɒpətjʊˈnɪstɪk] ADJ → oportunista
opportunistic[ˌɒpərtjuːˈnɪstɪk] adj → opportuniste
opportunistic[ˌɒpətjʊˈnɪstɪk] adj (frm) → opportunistico/a