Hobby vs. passatempo
While both hobby and passatempo refer to leisure activities in Italian, they have subtle differences in usage and connotation.
Hobby
A2Hobby in Italian is a loanword from English and refers to a regular activity done for pleasure, often involving skill or expertise.
Il suo hobby è la fotografia.
(His hobby is photography.)
Collezionare francobolli è un hobby costoso.
(Collecting stamps is an expensive hobby.)
Passatempo
A1Passatempo is a more general term for any activity that helps pass the time pleasantly, not necessarily requiring special skills.
Guardare la TV è il suo passatempo preferito.
(Watching TV is his favorite pastime.)
I giochi da tavolo sono un ottimo passatempo per le serate in famiglia.
(Board games are a great pastime for family evenings.)
Summary
While hobby implies a more serious, regular engagement often involving skill development, passatempo is broader and can include casual activities simply meant to occupy time enjoyably. Hobby is often used for more structured activities, while passatempo can encompass both casual and structured leisure pursuits.