1.(followed by 'to' or 'of') lacking conscious awareness of (Freq. 2) - oblivious of the mounting pressures for political reform - oblivious to the risks she ran - not unmindful of the heavy responsibility • Syn: unmindful • Similar to: unaware, incognizant • Derivationally related forms: unmindfulness (for: unmindful), obliviousness 2. failing to keep in mind - forgetful of her responsibilities - oblivious old age • Syn: forgetful • Similar to: inattentive • Derivationally related forms: oblivion, obliviousness, forgetfulness (for: forgetful)