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

infestāˈtion noun

1. Attack, or the condition of being attacked, esp by parasites
2. Molestation (obsolete)

• chaperoned
• chaperones
• chaperoning
• chaperons
• chapes
• chapess
• chapesses
• chapfallen
• chapiter
• chapiters
• chapka
• chapkas
• chaplain
• chaplaincies
• chaplaincy
• chaplainries
• chaplainry
• chaplains
• chaplainship
• chaplainships
• chapless
• chaplet
• chapleted
• chaplets
• Chaplinesque