
Accumulate
Time Duration
Use 'accumulate' to show that something is increasing over a period of time, not instantly.

Over the years, he accumulated a vast collection of stamps.
Not Always Positive
'Accumulate' can refer to both desirable and undesirable increases, such as debts or problems.

They accumulated a lot of debt after buying the house.
Subtle Growth
The process of accumulating is often subtle and not easily noticed until it's significant.

I didn't realize how much clutter I had accumulated over the years.
Compare with
AccrueAggregateAmassAssembleBuild upCollectConstituteGatherHoard
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