1. With desperation
   "'Why can't you understand?,' she asked despairingly"
   - despondently

See also: despairing

• factory-made
• factotum
• facts of life
• factual
• factuality
• factually
• factualness
• factum
• facture
• facula
• facultative
• faculty
• faculty member
• fad
• fad diet
• faddily
• faddish
• faddishly
• faddist
• faddy
• fade
• fade away
• faded
• fadeless
• fadeout