teeming with + people/animals
Showing large numbers
Use teeming with for places full of living things.
The forest was teeming with wildlife.
teeming with or in?
Teeming with is the standard expression for something full of people, animals, or activity. Teeming in is uncommon as a fixed combination.
Quick answer
Which preposition is correct after teeming?
Use teeming with to mean full of something. In can appear separately as a place adjunct, but teeming in is not a common fixed pattern.
The river was teeming with fish.
The market was teeming with tourists.
The market was teeming with tourists.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
teeming with + activity
Showing busy activity
Use teeming with for energy, movement, or activity.
The streets were teeming with life.
teeming in + place
Separate place expression
In may introduce a place after teeming, but it is not the selected preposition of teeming.
Fish were teeming in the shallow water.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
teeming with
The town was teeming with visitors.
full of people or things
teeming in
Fish were teeming in the lake.
in introduces the location, not a fixed adjective pattern
crowded with
The hall was crowded with guests.
similar idea of being full
full of
The garden was full of flowers.
neutral alternative
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using teeming in as a fixed phrase
Teeming normally takes with when describing abundance.
✕ The city was teeming in tourists. ✓ The city was teeming with tourists.Omitting the object after with
Teeming with should be followed by what is abundant.
✕ The beach was teeming with. ✓ The beach was teeming with visitors.Quick practice
Choose the expression that matches the intended meaning.
1. The harbour was teeming ___ boats.
2. Birds were teeming ___ the wetlands.
3. The café was teeming ___ students.
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Frequently asked questions
Is teeming with always positive?
No. It can describe any large quantity, including insects, traffic, or problems.
Can I say teeming in the streets?
Yes, if in introduces the location of the activity rather than forming a fixed phrase.
What is a synonym for teeming with?
Common alternatives include full of, crowded with, and packed with.
Related preposition guides
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