Grammar fix
feel rough
feel noticeably ill
To feel noticeably ill, often because of a cold, stomach problem or hangover.
How oftenCommon
LevelB1
Used inMostly spoken
Hear it in context
Notice where the phrase sounds natural.
I’m feeling rough today, so I’m going to stay in bed.
After a late night, I usually feel rough the next morning, so I try not to do it before work.
Fix the pattern
One small grammar move makes it sound right.
Not: I feel roughly today.
Say: I feel rough today.
After 'feel', use the adjective 'rough', not the adverb 'roughly'.
Don't confuse it
Other ways to say it
Be a bit ill
How unwellSlightlyQuite bad
off-colourMainly British: slightly unwell or looking less healthy than usual.under the weatherA gentle way to describe feeling slightly ill.
feel roughYou're here · Informal, especially British: feel noticeably ill, sometimes after drinking.