The phrase "emotionally weak" is correct and can be used in written English.
You can use this phrase when you want to describe someone who is easily overwhelmed by their emotions or has difficulty dealing with their emotions in a healthy way. For example: "I was feeling emotionally weak after my break-up, so I decided to take some time for myself."
I'd say he must have been emotionally weak.
My sister and me don't feel loved by a father who is himself so emotionally weak.
Both saw him as emotionally weak, quick to agree with the last person who counseled him.
Tuil's Jewish characters are rich, famous and powerful (even Samuel, who spends much of the novel psychologically and emotionally weak, ends the book as an internationally bestselling novelist), whereas the Muslim characters, most notably Samir and his mother, face relentless political, cultural and economic prejudice.
Are we emotionally weak or deficient?
But maybe if they had a heart of glass with a neon light burning through it, she might have accepted the implications of being emotionally weak and learned to love the guy and his neon organ.
Robespierre was morally rigid, physically weak, emotionally cold, and almost celibate.
To be "anti love," as Frances declares herself, is as ideologically satisfying as it is emotionally untenable, a weak position that Bobbi pounces on with startling pitilessness.
Physically, I felt too weak; emotionally, I felt tapped out.
Those union members vowing not to work on the mosque may believe they're taking principled stands, but what they're really doing is exhibiting unnecessary fear and being emotionally and mentally weak.
The dynamics of the relationship were clear from the beginning of the programme, with Pauline depicted as the matriarchal force that holds the Fowler family together, while Arthur is depicted as weak, emotionally unstable and easily dominated by the stronger females of his family.
