Meaning of UNDERNEATH in English

UNDERNEATH

preposition, [adverb] [not gradable] - under or belowThe tunnel goes right underneath the city.They found a bomb underneath the car.Underneath that shy exterior, she's actually a very warm person.He was wearing a garish T-shirt underneath his shirt.When the painting was restored, a much older picture was discovered underneath.

Cambridge English vocab.      Кембриджский английский словарь.