[ ə'nʌɪɪleɪt ]
■ verb
1》 destroy utterly.
↘defeat utterly.
2》 Physics convert (matter) into radiant energy, especially by collision of a particle with an antiparticle.
Derivatives
annihilation noun
annihilator noun
Origin
ME: from late L. annihilat- , annihilare 'reduce to nothing'.