blas·pheme (blās-fēm', blās'fēm') v.
blas·phemed, blas·phem·ing, blas·phemes
v.
tr.
To speak of (God or a sacred entity) in an irreverent, impious manner.
To revile; execrate.
v.
intr. To speak blasphemy.
[Middle English blasfemen, from Old French blasfemer, from Late Latin blasphēmāre, from Greek blasphēmein, from blasphēmos, evil-speaking, blasphemous; see bhā-2 in Indo-European roots.] blas·phem'er (blās-fē'mər, blās'fə-) n.