noun

the number of years that someone has lived

noun

the number of years that something has existed

noun

the time of life when you are allowed by law to do something

noun

the time of life when it is possible or typical for people to do something

verb

to become older

noun

the range between two particular ages

adjective

someone who is aged 18, 35, 70 etc is 18, 35, 70 etc years old

noun

the difference in age between two people

preposition

when someone is a particular age

noun

someone alive at the same time as a particular event or person

adjective

used for talking about the age of someone or something

adjective

used for saying that someone is not as young as other people

noun

someone who is of the same age as another person

adverb, preposition

less than a particular amount, or younger than a particular age

adjective, adverb, preposition

above a particular amount, or older than a particular age

noun

used for talking about age

noun

someone who has been alive for 3 years/10 months etc

to be nearly a particular age

to have been alive, or to have existed for, 5 years/10 months etc

to be two/three etc years older than someone

to be as old as someone

used for saying that something is surprising, considering how old someone is

used for saying that someone is at least as old as the age you are mentioning

aged between 80 and 89

aged between 40 and 49

around 35/45 etc in age

aged between 70 and 79

much older than a particular person. This phrase is usually used for talking about two people who are having a romantic relationship.

younger or older than 40/50 etc

if someone is on the wrong side of forty, fifty etc, they are older than forty, fifty etc

used for talking about someone’s age