a deep-rooted problem — entrenched/long-standing problem
a problem that has existed for a long time and is very difficult to change or solve because it is part of the basic structure or habits of a group, system, or society.
Say it like a native
Textbook The issue is profoundly embedded within the organisational structure.
Native It's a deep-rooted problem in the system.
'Deep-rooted problem' is the natural collocation; the formal paraphrase is heavy.
Pattern: a deep-rooted problem (in/with something)
In use
- Corruption is a deep-rooted problem in many countries, making real change extremely challenging.society
- In my opinion, unemployment is a deep-rooted problem in some regions because it is connected to a lack of investment and poor education, so it cannot be solved quickly.IELTS speaking
Common mistake
✗ It's a deep-root problem.
✓ It's a deep-rooted problem.
It's 'deep-rooted' (with -ed) — like a plant with deep roots.
Common collocations
deep-rooted + problem— a deep-rooted problem, deep-rooted issues, deeply rooted, deep-seated
Don't confuse it
Unlike 'a big problem' (which means important or serious), 'a deep-rooted problem' means the issue is difficult to remove because it is part of the system or culture. It is not about size, but about how established the problem is.