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)

• way point
• way points
• waypost
• wayposts
• -ways
• ways
• ways and means
• wayside
• waysides
• ways of life
• way station
• way stations
• way to go
• way traffic
• way train
• way trains
• wayward
• way warden
• way wardens
• waywardly
• waywardness
• waywardnesses
• waywiser
• waywisers
• waywode