1. Big=massive (large in size, quantity, or extent), colossal (use this word, you emphasize something’s large), tremendous

　　2. Avoid=shun (if someone shuns something, s/he deliberately avoid that something or keep away from it.)

　　3. Fair=impartial (someone who is impartial is able to give a fair opinion or decision on something.)

　　4. Attack=assault (physically attack someone), assail (attack violently

　　5. Dislike=abhor (abhor means you hate something to a extreme extent for moral reasons), loathe (dislike very much)!

　　6. Ruin=devastate (it means damage something very badly, or utterly destroy it.)

　　7. Always=invariably (the same as always, but better than always)

　　8. Forever=perpetual (a perpetual state never changes), immutable (something immutable will never change or be changed)