poltergeist /pōlˈ or polˈtər-gīst/

1. A mysterious invisible force asserted to throw or move things about
2. A noisy ghost

• unlovelier
• unloveliest
• unloveliness
• unlovelinesses
• unlovely
• unloverlike
• unloves
• unloving
• unlovingly
• unlovingness
• unlovingnesses
• unluckier
• unluckiest
• unluckily
• unluckiness
• unluckinesses
• unlucky
• unluxuriant
• unluxurious
• unmacadamised
• unmacadamized
• unmade
• unmade-up
• unmaidenly
• unmailable