Meaning trap
build up
increase gradually
To make something become larger or greater over time, often slowly.
Don't mix these meanings
Same phrase, different job.
To make something become larger or greater over time, often slowly.
Another meaning of 'build up' is 'develop strength or confidence'; compare the examples to keep the meanings separate.
Hear it in context
Notice where the phrase sounds natural.
If you save a little money each month, your savings will build up over time.
During the exam period, stress can build up if you don't take breaks.
Fix the pattern
One small grammar move makes it sound right.
Not: Pressure builds up slowly over the time.
Say: Pressure builds up slowly over time.
'Over time' — no 'the'.
Which sounds natural?
Tap the one a native speaker would say.
'A considerable accumulation has gradually formed' is heavy; 'builds up' is natural.
Build natural chunks
Words that usually travel with it.
build up + over time
- over time
- gradually
- pressure
- slowly
Don't confuse it
Related
Other meanings and phrases to compare.
- build up (develop strength or confidence) — Another meaning of 'build up' is 'develop strength or confidence'; compare the examples to keep the meanings separate.