verb/adelɡaˈθaɾ/
to make thin or slender; to refine, purify; to lose weight; to become thin or slender; to lose weight
“Y si peso mucho puedo adelgazar / Lo necesario para entrar en tu bolsillo” — And if I weigh a lot I can lose weight / What is necessary to fit in your pocket
Synonyms: bajar de peso, reducir peso
From earlier delgazar, from Vulgar Latin *delicatiāre, from Latin delicātus.