Dictionary.net

A prefix from the Latin, whence F. des, or sometimes de-, dis-. The Latin dis-appears as di-before b, d, g, l, m, n, r, v, becomes dif-before f, and either dis-or di- before j. It is from the same root as bis twice, and duo, E. two. See Two, and cf. Bi-, Di-, Dia-. Dis-denotes separation, a parting from, as in distribute, disconnect; hence it often has the force of a privative and negative, as in disarm, disoblige, disagree. Also intensive, as in dissever A prefix from Gr. di`s- twice. See Di-.

A prefix from the Latin, whence F. des, or sometimes de-, dis-. The Latin dis-appears as di-before b, d, g, l, m, n, r, v, becomes dif-before f, and either dis-or di- before j. It is from the same root as bis twice, and duo, E. two. See Two, and cf. Bi-, Di-, Dia-. Dis-denotes separation, a parting from, as in distribute, disconnect; hence it often has the force of a privative and negative, as in disarm, disoblige, disagree. Also intensive, as in dissever A prefix from Gr. di`s- twice. See Di-.

A prefix from Gr. di`s- twice. See Di-.

A name sometimes given to the god Pluto, the god of the lower world.

Festuca patula, a kind of grass which grows in Tripoli and Tunis, and is largely imported for paper making.

Prefix indicating the negation or reversal of the idea expressed in the primitive; as dishonest, not honest; disjoin, to separate.

Apart; asunder. In numerous words having this prefix, dis - has simply a negative force, causing the word to express the contrary of what is implied by the second element.