judder /judˈər/

1. A strong vibration in an aircraft or other mechanical apparatus
2. An intense, jerking motion
3. In singing, a vibratory effect produced by alternations of greater or less intensity of sound

To shake or vibrate

juddˈery adjective

• sick-listed
• sick lists
• sickly
• sicklying
• sick-making
• sickness
• sickness benefit
• sickness benefits
• sicknesses
• sick note
• sick notes
• sicknurse
• sicknurses
• sicknursing
• sicknursings
• sicko
• sick of
• sickos
• sick-out
• sick-outs
• sickroom
• sickrooms
• sicks
• sick-thoughted
• sick-tired