adjective
Definition: Having a smooth or gentle texture; not hard or firm.
Example: The pillow is so soft that I can easily fall asleep on it.
adverb
Definition: In a gentle or quiet way, without harshness or force.
Example: She spoke softly to avoid waking the baby.
noun
Definition: A material or object that is easy to press or bend and is not hard.
Example: The pillow is made of soft material, making it very comfortable to sleep on.