heavy
The hammer is the heaviest object.
young
The baby is the youngest.
small
The ant is the smallest insect.
short
Sophie is the shortest in the family.
happy
The cat is the happiest.
big
The cactus is the biggest plant.
sweet
Cotton candy is the sweetest.
sad
The boy is the saddest.
tall
The giraffe is the tallest animal.
slow
The turtle is the slowest animal.