Melted has 3 different meanings across 1 category:
Adjective
simple past tense and past participle of melt
"The chocolate bar had completely melted in my pocket during the long walk outside."
changed from a solid to a liquid state
"rivers filled to overflowing by melted snow"
Being in a liquid state as a result of melting.
"The melted chocolate was poured into molds to make truffles."