1. In an erratic unpredictable manner
   - erratically

See also: unpredictable

• forthcoming
• forthcomingness
• forthright
• forthrightly
• forthrightness
• forthwith
• forties
• fortieth
• fortification
• fortified
• fortified wine
• fortifier
• fortify
• fortis
• fortissimo
• fortitude
• fortnight
• fortnightly
• Fortran
• Fortran compiler
• FORTRAN program
• fortress
• fortuitous
• fortuitously
• fortuitousness