1. The condition of being pressed closely together and firmly fixed 
2. A disorder in which feces are impacted in the lower colon 
3. A disorder in which a tooth is so crowded in its socket that it cannot erupt normally
   - impacted tooth 
4. A sharp collision produced by striking or dashing against something
   - impingement

Derived forms: impactions

See also: impact

Type of: condition, crash, disorder, smash, status, upset

Encyclopedia: Impaction

• nimbleness
• nimblewill
• nimbly
• nimbostratus
• nimbus
• nimbus cloud
• Nimby
• nimiety
• niminy-piminy
• nimious
• Nimitz
• Nimravus
• Nimrod
• nin-sin
• Nina
• Nina from Carolina
• nincompoop
• nine
• nine iron
• nine times
• nine-banded armadillo
• nine-membered
• nine-sided
• nine-spot
• nine-to-five