nolens volens /nōˈlenz vōˈlenz, nōˈlāns vōˈ or wōˈlāns/ (formal)

Willy-nilly

• undergraduate
• undergraduates
• undergraduateship
• undergraduette
• undergraduettes
• underground
• undergrounds
• undergrove
• undergroves
• undergrown
• undergrowth
• undergrowths
• underhand
• underhanded
• underhandedly
• underhandedness
• underhandednesses
• underhands
• under-hangman
• under-hangmen
• under hatches
• underhonest
• underhung
• underinsure
• underinsured