Famous (известный) - well-known, renowned, celebrated, famed, eminent, illustrious, distinguished, noted, notorious
Fast (быстрый) - quick, rapid, speedy, fleet, hasty, snappy, mercurial, swiftly, rapidly, quickly, snappily, speedily, lickety-split, posthaste, hastily, expeditiously, like a flash
Fat (толстый) - stout, corpulent, fleshy, beefy, paunchy, plump, full, rotund, tubby, pudgy, chubby, chunky, burly, bulky, elephantine
Funny (забавный, смешной) - humorous, amusing, droll, comic, comical, laughable, silly
Great (великий) - noteworthy, worthy, distinguished, remarkable, grand, considerable, powerful, mighty
Happy (cчастливый) - pleased, contented, satisfied, delighted, elated, joyful, cheerful, ecstatic, jubilant, tickled,glad, blissful, overjoyed
Important (важный) - necessary, vital, critical, indispensable, valuable, essential, significant, primary, principal, considerable,, distinguished, notable
Lazy (ленивый) - indolent, slothful, inactive, sluggish
Little (маленький) - tiny, small, diminutive, shrimp, runt, miniature, puny, exiguous, dinky, cramped, limited, itsy-bitsy, microscopic, slight, petite, minute