To reduce to nothing, to destroy, to eradicate.
To render null and void; to abrogate.
To react with antimatter, producing gamma radiation and (for higher-mass reactants, especially composite particles such as protons) lighter particles (such as pions, muons, and neutrinos).
To engulf, surge over and submerge.
To overpower emotionally.
To cause to surround, to cover.
To overpower, crush.
The state or condition of being overwhelmed.