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)

• semitransparent
• semi-tropical
• semi-tropics
• semi-truck
• semi-trucks
• semi-tubular
• semi-uncial
• semi-uncials
• semivowel
• semivowels
• semiwater gas
• semiwater gases
• semi-weekly
• semmit
• semmits
• Semnopithecus
• semolina
• semolinas
• semper
• semper eadem
• semper fidelis
• semper idem
• semper paratus
• sempervivum
• sempervivums