Select the option that can be used as a one-word substitute for the given group of words.

That which can be easily broken

Fragile

The option that can be used as a one-word substitute for the given group of words "That which can be easily broken" is: Fragile

1. Fragile: This word directly corresponds to the description "that which can be easily broken." Fragile objects are delicate, easily damaged, or broken, so they align perfectly with the meaning of the given group of words. Therefore, "Fragile" is the correct option.

2. Durable: This word means able to withstand wear, pressure, or damage. Unlike the given group of words, it describes items that are strong and resistant to damage rather than easily broken.

3. Portable: This word means able to be easily carried or moved, typically because of being light or compact. While portable items may be easily transported, they do not necessarily imply that they can be easily broken.

4. Stern: This word means serious and unrelenting, or strict and severe in manner or attitude. It describes a demeanor or attitude rather than objects that can be easily broken.

Therefore, "Fragile" is the most suitable one-word substitute for the given group of words because it accurately describes items that can be easily broken or damaged.