Circle the adjectives in the box that do not add -ness to make a...

Question

Circle the adjectives in the box that do not add -ness to make a noun
sad,favorite,tidy,kind,funny,ill,brilliant,happy,big,weak

Answer 1

sadness, tidiness, kindness, illness, happiness, bigness, weakness

do not add -ness to make a noun:
favorite, funny, brilliant.