1. In an unfruitful manner

See also: abortive

• flattering
• flatteringly
• flattery
• flatting
• flattish
• flattop
• flatulence
• flatulency
• flatulent
• flatus
• flatus-relieving
• flatware
• flatwork
• flatworm
• Flaubert
• flaunt
• flauntingly
• flaunty
• flautist
• Flavian dynasty
• flavin
• Flavius Claudius Julianus
• Flavius Josephus
• Flavius Theodosius
• Flavius Valerius Constantinus