1. (

• infest ,
• overrun ,

) invade in great numbers; "the roaches infested our kitchen" ;

2. (

• invade ,
• overrun ,
• infest ,

) occupy in large numbers or live on a host; "the Kudzu plant infests much of the South and is spreading to the North" ;

3. (

• infest

) live on or in a host, as of parasites ;