Face off- ConfrontFace up to- Accept an unpleasant truth
Faff about- Behave indecisivelyFaff around- Behave indecisively
Fall about- Laugh a lotFall apart- Break into piecesFall back
- Become emotionally disturbed and unable to behave normally- RetreatFall back on- Be able to use in an emergencyFall behind- Make less progressFall down- Fall on the groundFall for
- Have a weak point- Be attracted to somebody, fall in loveFall in
- Believe a lie or a piece of deception- CollapseFall into- Start doing something unplannedFall off- DecreaseFall out- Argue and be on bad terms with someoneFall over
- Lose hair- Fall on the groundFall through- Be unsuccessfulFall under- Become controlled
Farm out- Give or contract work to someone else
Fart about- Waste time doing silly thingsFart around- Waste time doing pointless things
Fasten down- Tie something so that it doesn't moveFasten on- Give attention to something that confirms your beliefsFasten onto- Follow someone closely, normally when they don't want your companyFasten up
- Give attention to something that confirms your beliefs- Close, attach
Fathom out- Understand something
Fatten up- Give an animal a lot to eat to make it fat
Fawn on- Praise someone in an excessive way to get their favour or something from themFawn over- Praise someone in an excessive way to get their favour or something from them
Feed off- Eat a food as part of an animals dietFeed on
- Use something to your advantage- Grow strongerFeed up
- Consume in an animal's diet
- Give someone a particular food- Give someone a lot of food to restore their health, make them bigger, etc
Feel up- Touch sexually, gropeFeel up to- Feel capable of doing something
Fend for- Take care of yourself or someone with help from other peopleFend off- Resist something successfully
- Push an attacker away
Ferret out- Search and discover something
Fess up- Confess, admit something reluctantlyFess up to
- Give- Confess, admit reluctantly to something
Fiddle about- Waste time doing silly things, or doing things unsuccessfullyFiddle around- Waste time doing silly things, or unsuccessful thingsFiddle away
- Make small movements with your hands- Waste time
Fight back- Defend yourself, resist an attackFight it out
- Try to control and emotion and keep it hidden- Struggle to see who wins, both by arguing or fightingFight off- Fight an attacker and force them back
- Resist an illness or emotion
Figure on- Plan, expectFigure out- Find the answer to a problem
File away- Put a document in the correct place for storage in a filing system
Fill in- Complete a formFill in for
- Substitute someone at work- SubstituteFill in on- Give someone informationFill out- Complete a formFill up- Fill something completely
Filter in- Move into a lane of traffic without making other cars stopFilter out- Remove something unwanted
Find out- Discover
Finish off- Finish completely
Fink on- Give away secrets about someoneFink out- Fail to keep a promise, arrangement, etc
Fire away- Ask questionsFire off- Send quickly, angrily or many (letter, emails, etc)Fire up
- Shoot, fire a gun (usually repeatedly)- Start a computer
- Excite, become excited
Firm up- Make things clearer in a negotiation or discussion
Fish for- Try to get some information or to get someone to say somethingFish out- Remove something from a bag, pocket, etc
- Remove from water, such as the sea, rivers, etc
Fit in- Get on in a group of peopleFit into
- Have enough time or space for something- Become part ofFit up- Frame someone- make them look guilty of something they haven't done
- Provide equipment
Fix up- Make an arrangement
Fizzle out- End in an unsuccessful way
Flag down- Signal at a vehicle to get it to stopFlag up- Raise an issue, or highlight its importance
Flake out- Fall asleep from exhaustion
Flame out- FailFlame up- Burn brightly
Flare out- Get angry suddenlyFlare up- When trouble suddenly appears
Flesh out- Add more details or information
Flick over- Change TV channels quicklyFlick through- Change TV channels repeatedly
- Look through something quickly
Flip off- Extend your middle finger as a gesture of contemptFlip out- Become very excited and lose controlFlip through- Look quickly through a magazine, book, etc
Flog off- Sell something cheaply to get rid of it
Floor it- Drive a vehicle as fast as possible
Flounce off- Leave a place or walk away from someone angrilyFlounce out- Leave a place angrily
Fly about- Circulate (rumours, etc)Fly around- Circulate (rumours, etc)Fly at- AttackFly by
- Criticise or shout angrily- When time appears to move quicklyFly into- Change emotion quickly
Fob off- Make or persuade someone to accept somethingFob off on
- Lie or deceive someone- Make or persuade someone to accept something you don't wantFob off onto- Make or persuade someone to accept something you don't wantFob off with- Make or persuade someone to accept something of lower quality than they wanted
- Make or persuade someone to accept something of lower quality than they wanted
Focus on- Concentrate
Fold up- Make a sheet of paper smaller
Follow on- Leave to meet someone after they have left the place you're atFollow on from- Be the part of somethingFollow through- Do what is necessary to complete something or make it successfulFollow up- Do something to check or improve an earlier action
- Find our about a problem and act
Fool around- Not be serious
- Be unfaithful
Forge ahead- Make a lot of progress in a short time
- Move forwards very quickly
Freak out- Become very disturbed or angry
Freeze out- Shut out or exclude by unfriendly treatmentFreeze over
- Force to retire or withdraw from membership, a job, etc- Become covered with ice (lake, river, pond, etc)Freeze up- Be blocked with ice
- Stop working because the parts of a machine won't move
- When a computer stops working
- Be paralysed with fear
Freshen up- Wash quickly and improve appearance
- Add more alcohol to a glass before it is empty
- Quickly improve the appearance of something
Front for- Represent someone, especially when covering illegal or wrongful activitiesFront off- Confront someone and let them know you are prepared to fightFront onto- Face (of a building)Front out- Face up to someone, withstand criticismFront up- Appear somewhere for a short time
- Advance cash for something
Frown on- Disapprove
