by wide margin (adverb) well: sufficiently
Detalii: using good as an adverb in place of well ("she dances real good," "he did good") is nonstandard usage - so, it would be best to say "she dances very well," "he did well"well is an adverb to describe an activity; good is an adjective to describe a condition or state
Sinonime: CPI, cost-of-living index, price index, retail price index
Antonime: badly, insufficiently