heyday

The time when someone or something was most successful, powerful, or popular.

• The club was packed in its heyday.
• These photographs show the town in its heyday.
• He was a famous singer during the heyday of radio.

How to use it: in someone’s/something’s heyday (In its heyday, the theatre attracted huge crowds.); the heyday of something (This exhibition recalls the heyday of silent cinema.)

Similar words: prime, peak, golden age

Common phrases: in its heyday, in her heyday, heyday of something

An old expression used to greet someone in a cheerful, lively way.

• Heyday, my friend!
• Heyday, good sir, come and sit with us!
• The old innkeeper called, “Heyday!” as the visitor entered.

Similar words: hello, hail

Common phrases: heyday my friend, heyday good sir