1. verb /ˈɑblɪɡeɪt,ˈɑblɪɡət,ˈɒblɪɡeɪt,ˈɒblɪɡət/
2. adjective /ˈɑblɪɡeɪt,ˈɑblɪɡət,ˈɒblɪɡeɪt,ˈɒblɪɡət/
a) Able to exist or survive only in a particular environment or by assuming a particular role: an obligate parasite; an obligate anaerobe.
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