Used as a na-adjective to describe something that is physically broken, out of order, or metaphorically broken (e.g., a broken heart, broken English). Common in casual and technical contexts.
このパソコンはブロークンだ。
This computer is broken.
彼の英
His English is broken, but it gets the message across.
Loanword from English 'broken', used as a na-adjective in Japanese.