We usually use far only in questions and negative sentences, and after too and so :
In formal English, you should use farther to talk about distance in space:
a long way from the center in the direction mentioned
fare / fer /
the money that you pay to travel by bus, train, airplane, etc.
the Far East / бэ |far ' ist /
( geography ) China, Japan, and other countries in eastern Asia
— Look
fare • well / |fer' wel /
goodbye
land and buildings where people keep animals and grow plants for food
farm .еГ Ф / 'farmor /
a person who owns or works on a farm
farm • house / farmhaus /
the main house on a farm
farm • ing / ' farmig /
managing a farm or working on it
farm • land / farmlrend /
[ noncount , plural ]
( geography ) land that is used for keeping animals or growing plants for food
farm • yard / ' farmyard /
the area beside the main house on a farm, with buildings or walls around it
far • sight • ed / ' far|saitad /
( health ) If you are farsighted , you can see things clearly when they are far away but not when they are close to you.
—ANTONYM nearsighted
far • ther, far • thest / ' fa^r ; ' fa^st /
In formal English, you should use farther to talk about distance in space:
fas • ci • nate / ' fresэneIt /
fas • ci • nat • ing / ' fresэneItщ /
very interesting
fas • ci • na • tion / ^ ' neijn /
[ count, noncount ]
when you find something or someone very interesting
fash . ion Ф / 'fsejn /
a way of dressing or doing something that people like and
try to copy for a time
fash .ion .а .Ые Ф / 'faqfonobl /
popular, or in a popular style at the time
—ANTONYM old-fashioned , unfashionable
fash • ion de • sign • er / ' fejn ^шпэг /
a person whose job is to design clothes
fast Ф / faest /
moving, happening, or doing something very quickly