Old woman and Oldster

Old woman noun - A woman who is old.

Oldster and old woman are semantically related in elder topic. In some cases you can use "Oldster" instead a noun phrase "Old woman", when it comes to topics like senior citizen.

Oldster noun - A person of advanced years.

Old woman and oldster are semantically related in elder topic. Sometimes you can use "Old woman" instead a noun "Oldster", if it concerns topics such as senior citizen.