1.
You use ~ to describe someone who enjoys a particular activity very much and spends a lot of time doing it.
Her great-grandfather had clearly been a ~ and stoical traveller.
ADJ: usu ADJ n
2.
You use ~ to describe something that is made, built, or designed for one particular purpose or thing.
Such areas should also be served by ~ cycle routes.
...the world’s first museum ~ to ecology.
ADJ: oft ADJ to n
3.
see also dedicate