infest /in-festˈ/

1. To swarm over, cover or fill, in a troublesome, unpleasant or harmful way
2. To invade and live on or in as a parasite
3. To disturb or harass

1. Hostile
2. Troublesome

• undercapitalized
• undercard
• undercards
• undercarriage
• undercarriages
• undercart
• undercarts
• undercast
• undercasts
• undercharge
• undercharged
• undercharges
• undercharging
• underclad
• underclass
• underclasses
• underclassman
• underclassmen
• underclay
• underclays
• under-clerk
• under-clerks
• under-clerkship
• under-clerkships
• undercliff