sobre

NOUN (1)
[/ˈso.βɾe/]
envelope literal / letter formal / wrapping neutral / cover neutral / concept sentence untranslatable (While 'sobre' can refer to the object that encloses, it can also denote broader concepts (like 'about') that do not translate directly to a single noun.)
Synonyms carta formal , envoltura neutral
Antonyms contenido

A flat paper container, typically used for sending letters or documents through the mail, synonymous with an envelope. It can also refer to any form of wrapping or cover for an item, or even a letter itself, especially when referring to the physical item delivered.

plural
sobres
  • Necesito un sobre para enviar esta carta. — I need an envelope to send this letter.
  • El cartero dejó un sobre con mi nombre. — The postman left an envelope with my name on it.
ADP (1)
[/ˈso.βɾe/]
about literal / regarding formal / concerning formal / in relation to neutral
Synonyms acerca de formal , en relación a neutral
Antonyms debajo de

A versatile preposition used to indicate several relationships. It can mean on, upon, or over, denoting physical location, position, or superiority (opposite of under). It is also frequently used to express the topic or subject of something, akin to about, regarding, or concerning. Additionally, it can signify approximately when referring to numbers or time.

  • El libro está sobre la mesa. — The book is on the table.
  • Hablamos sobre el calentamiento global. — We talked about global warming.
  • Llegaré a casa sobre las ocho. — I will arrive home around eight.