SELF-ASSERTING Meaning of SELF-ASSERTING in English [self-as.sert.ing] adj (1837) 1: asserting oneself or one's own rights, claims, or opinions 2. a: self-assured, confident b: arrogant -- self-as.sert.ing.ly adv Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012