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)

• lose caste
• lose colour
• lose count
• losed
• lose face
• lose ground
• lose heart
• lose it
• losel
• losels
• losen
• lose one's bearings
• lose one's cool
• lose oneself
• lose one's hair
• lose one's head
• lose one's heart to
• lose one's marbles
• lose one's nerve
• lose one's place
• lose one's rag
• lose one's seat
• lose one's shirt
• lose one's tongue
• lose out