глупо было

it was stupid to

→ глупый
phrase Rare #50,137
it was stupid to Used to say that an action was foolish or unwise. Often followed by a verb phrase or by с [possessive pronoun] стороны to mean 'on my/your/his part'.
RU: Глупо было идти туда без карты.
EN: It was stupid to go there without a map.