From the given options, choose the word which is opposite in meaning to:

'accumulate'

dwindle

The word that is opposite in meaning to accumulate is dwindle.

• Accumulate means to gather or collect something over time.
• Dwindle means to decrease or diminish in size, amount, or importance.

The other words in the options have different meanings to accumulate. Accelerate means to increase in speed. Android is a type of robot. Ambiguous means unclear or having more than one possible meaning.