aperiodic /ā-pē-ri-odˈik/

1. Not periodic
2. Highly damped and coming to rest without oscillation (physics)

• undershooting
• undershoots
• undershorts
• undershot
• undershrub
• undershrubs
• underside
• undersides
• undersign
• undersigned
• undersigning
• undersigns
• undersized
• underskies
• underskinker
• underskinkers
• underskirt
• underskirts
• undersky
• undersleeve
• undersleeves
• underslung
• undersoil
• undersoils
• undersold