I. verb — [with obj.] 1.
‹formal› repeal or do away with (a law, right, or formal agreement)
• a proposal to abrogate temporarily the right to strike.
‹formal› evade (a responsibility or duty)
• we believe the board is abrogating its responsibilities to its shareholders.
II. derivatives abrogator noun
– origin early 16th cent.: from Latin abrogat- ‘repealed’, from the verb abrogare, from ab- ‘away, from’ + rogare ‘propose a law’.