If your neighborhood seems to teem with cats, that means there are a lot of cats running around. When something teems, it swarms or overflows with a large number of things.

Don't confuse teem with team. The two words may sound the same, but they have different meanings. Use the noun team when describing a group of people with a common goal, and turn to the verb teem for those times when you need to say that something is overflowing or crowded. Teem is almost always used with the preposition with, as when the busy streets teem with activity.

Definitions of teem
  1. verb
    be teeming, be abuzz
    “The plaza is teeming with undercover policemen”
    synonyms: pullulate, swarm
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    be full of
    type of:
    buzz, hum, seethe
    be noisy with activity
  2. verb
    move in large numbers
    synonyms: pour, pullulate, stream, swarm
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    pour out, spill out, spill over
    be disgorged
    type of:
    crowd, crowd together
    to gather together in large numbers
Word Family