Synonyms for disintegrate

verb

1. To break up

   break down, separate, atomize, dissolve, divide, dismantle, break into pieces, disunite, disperse, crumble, disband, fall apart, take apart, disorganize, detach, break apart, come apart, sever, disconnect, wash away, wear away, erode, fall to pieces, turn to dust, fade away, reduce to ashes; see also destroy 1, dissolve 1.

   Antonyms unite*, put together, combine.

2. To decay

   decompose, crumble, rot, deteriorate; see decay. See syn. study at decay.