What's the superlative degree of happy?
the happiest
What's the superlative degree of big?
the biggest
What's the superlative degree of far?
the farthest
What's the superlative degree of wide?
the widest
What's the superlative degree of cold
the coldest
What's the superlative degree of expensive?
the most expensive
What's the superlative degree of good
the best
What's the superlative degree of bad?
the worst
What's the superlative degree of interesting?
the most interesting
What's the superlative degree of tall?
the tallest