Chestnut and Flightiness

Chestnut noun - An idea or expression that has been used by many people.

Flightiness and chestnut are semantically related. In some cases you can use "Flightiness" instead a noun "Chestnut".

Flightiness noun - A lack of seriousness often at an improper time.

Chestnut and flightiness are semantically related. Sometimes you can use "Chestnut" instead a noun "Flightiness".