"become depressive" is a correct and usable phrase in written English.
It is often used to describe a change in someone's mood or mental state, when they start to exhibit symptoms of clinical depression. Example: "After losing his job, John's behavior started to change. He became irritable and withdrawn, and his friends noticed that he had become depressive."
She endured back pain all her life and became depressive, lame and alcoholic.
As time went on, her mother became depressive, very difficult to cope with, you couldn't walk past her without flinching in case she clipped you round the ear.
Ed Oxenbould plays 12-year-old Dylan, a shy boy whose dad Jack Sam Worthingtonn) has become a depressive deadbeat since Dylan's mum died.
Normal grief will become "major depressive disorder", meaning people will turn to diagnosis and prescription as a response to bereavement.
Officers of the L.A.P.D. may become cynics, depressives, drunks, or bad husbands, but they believe that they form the outer membrane of civilization, and that chaos lies just the other side of the "thin blue line" — a term, as it happens, that was coined by the towering William H. Parker, an Eisenhower-era police chief whose distant memory is still revered.
At school he is both a teacher's pet and a rule-damning deviant; in love he is a devoted husband sandwiched by great stretches as a scoundrel; during wartime he's a pampered emissary on the conflict's fringe then a daredevil spy in the thick of it all; in war's aftermath he becomes a depressive art dealer and even a fledgling terrorist.
While Phil made the best of things and enjoyed inventing a new backstory for himself – heart and brain surgeon, retired pro-wrestler, former flame of Kate Winslet Samam had become a twitchy, depressive alcoholic who suffered the intimidating sexual advances of Samantha Spiro's truly horrible yard manager between embittered swigs from his hip flask.
In another study, it was found that diabetes distress did not become associated with depressive symptoms until after 1 year of living with diabetes (36).
They become workaholics, or depressives.
