Important Idioms and Phrases starting with Alphabet- F
| S.No. | Idioms/Phrases | Meaning |
| 1. | Fabian policy | Deliberate slow policy/ policy of delaying decisions |
| 2. | Fair and square | In an honest way |
| 3. | Fair sex | Women |
| 4. | Fair weather friend | Selfish friends who are with us only in comfortable situation |
| 5. | Fancy price | At any cost/ at demanded price |
| 6. | Feather in the cap | Additional success |
| 7. | Feather one’s nest | To enrich oneself by taking advantage of one’s position |
| 8. | Fight shy of | To attempt to avoid a thing or person |
| 9. | Fish in troubled waters | To take advantage of the problems of others |
| 10. | Fish out of water | Out of one’s usual and comfortable place |
| 11. | Fly in the ointment | A slight unpleasant thing that obstruct the enjoyment of something |
| 12. | Fool’s paradise | A state of being happy for foolish or unfounded reasons |
| 13. | Forty winks | A nap |
| 14. | French leave | A leave without information or permission |
| 15. | Fringe benefits | An additional benefit apart from salary |
| 16. | From hand to mouth | Providing only bare essentials |