seriously affected — badly influenced or harmed
collocationB2IELTS 5+neutralcommon
To be strongly and negatively influenced or harmed by something.
Say it like a native
Textbook The region was detrimentally impacted by the drought.
Native The region was seriously affected by the drought.
Natural; 'detrimentally impacted' is report jargon.
Pattern: be seriously affected (by something)
In use
- Many small businesses were seriously affected by the sudden changes in the law.health
- During the pandemic, I think students were seriously affected because they couldn't attend classes in person and had to adapt to online learning.IELTS speaking
Common mistake
✗ Many people were serious affected.
✓ Many people were seriously affected.
Adverb 'seriously', not 'serious', before the verb.
Common collocations
seriously affected by— by, badly, most, worst
Don't confuse it
Compare with 'slightly affected', which means the impact is small.