1. Eurasian annual sprawling plant naturalized throughout North America
   - Arenaria serpyllifolia

Type of: sandwort

• underlip
• underlying
• undermanned
• undermentioned
• undermine
• undermost
• underneath
• undernourish
• undernourished
• undernourishment
• underpants
• underpart
• underpass
• underpay
• underpayment
• underperform
• underperformer
• underpin
• underpinning
• underplant
• right-winger
• righteous
• righteously
• righteousness
• righteye flounder