noun

buildup

buildup, accumulation, increase

There was a buildup of traffic on the highway.

There was a buildup of traffic on the motorway.

The military buildup in the region is concerning.

The military buildup in the region is concerning.

a buildup of ((sth.)) an accumulation of something There is a buildup of plaque on your teeth.

Synonyms: accumulation, increase, pileup, concentration

From the phrasal verb 'to build up', meaning to accumulate or increase gradually.

Imagine things being 'built up' on top of each other, creating a pile or accumulation.

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