Correct Answer: Portable

Solution : The correct choice is the third option .

Portable is used for things that are easily movable or transportable, making it the correct one-word substitute. It describes objects, devices, or equipment that are designed to be carried or moved easily, often without requiring much effort.

The meanings of the other options are as follows:

• Illegible means not clear enough to be read.
• Handful means an amount of something that can be held in one hand.
• Potable means safe to drink.