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)

• heliotropic
• heliotropical
• heliotropically
• heliotropies
• heliotropin
• heliotropins
• heliotropism
• heliotropisms
• heliotropy
• heliotype
• heliotypes
• heliotypic
• heliotypies
• heliotypy
• Heliozoa
• heliozoan
• heliozoic
• helipad
• helipads
• heliport
• heliports
• heliscoop
• heliscoops
• heli-skier
• heli-skiers