1. In a random manner
   - randomly, indiscriminately, haphazardly, arbitrarily, at random, every which way 
2. Without having a choice
   - nolens volens

Encyclopedia: Willy-nilly

• avouchment
• avow
• avowal
• avowed
• avowedly
• avower
• avulse
• avulsion
• avuncular
• aw
• aw sucks!
• await
• awaited
• awake
• awaken
• awakened
• awakening
• award
• award-winning
• awarding
• aware
• awareness
• awash
• away
• away game