[fence in] or [hedge in] or [hem in] {v.} To keep […]

[fence with] or [spar with] {v.} To talk with (someone) as […]

[ferret out] {literary} or [smell out] or [sniff out] {v.} To […]

[fiddle with] {v. phr.} To carelessly play with something. * /If […]

[fight fire with fire] {v. phr.}, {slightly formal}, {of Biblical origin} […]

[fight off] {v. phr.} 1. To struggle against someone so as […]

[fight shy of] {v. phr.} To avoid; escape from. * /Jack […]

[figure in] {v.} 1. {informal} To add to a total; remember […]

[figure on] {v.} 1. To expect and think about while making […]

[figure out] {v.} 1. To find an answer by thinking about […]