de·fo·li·ant 
(dē-fōlē-ənt)
(dē-fōlē-ənt)n.
A chemical sprayed or dusted on plants to cause the leaves to fall off.
- forte-piano
- fortepiano
- forth
- Forth
- for that matter
- forthcoming
- for the best
- for the better
- for the birds
- for the hell of it
- for the life of
- for the life of (one)
- for the life of one
- for the love of
- for the most part
- for the present
- for the time being
- forthright
- forthrightly
- forthrightness
- forthwith
- fortieth
- fortifiable
- fortification
- fortified wine