How do you spell Discontinue

Available Definitions:
1)  v. t. - To interrupt the continuance of; to intermit, as a practice or habit; to put an end to; to cause to cease; to cease using, to stop; to leave off.
2)  v. i. - To lose continuity or cohesion of parts; to be disrupted or broken off.
3)  v. i. - To be separated or severed; to part.