1. To render illegal.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• illigalize,
• illegalizse,
• illegalise,
• illegilise,
• illegalyse,
• ullegalize,
• jllegalize,
• kllegalize,
• ollegalize,
• 9llegalize,
• 8llegalize,
• iklegalize,
• iplegalize,
• iolegalize,
• ilkegalize,
• ilpegalize,
• iloegalize,
• illegalized,
• illegilize,
• illegalyze

• illegal,
• illegalise,
• illegally,
• illegality.

The adverb form of the word "illegalize" is "illegally".

The adjective form of "illegalize" is "illegalized".