Seventy - definition of seventy by The Free Dictionary Define seventy seventy synonyms, seventy pronunciation, seventy translation, English dictionary definition of seventy n 1 The cardinal number equal to 7 × 10 2 seventies a A decade or the numbers from 70 to 79: They became grandparents in their seventies
SEVENTY definition in American English - Collins Online Dictionary Seventy is the number 70 Seventy people were killed When you talk about the seventies, you are referring to numbers between 70 and 79 For example, if you are in your seventies, you are aged between 70 and 79 If the temperature is in the seventies, it is between 70 and 79