To match the definition "to unsettle; to cause worry" with the correct word from the options given:

1. **perturb** - This word means to disturb or unsettle, especially in a way that causes worry or anxiety.

2. **transpire** - This means to occur or happen, and does not relate to causing worry.

3. **mangle** - This refers to severely damaging or mutilating something, which is not aligned with causing worry.

4. **revitalize** - This means to bring new energy or life to something, which does not match the definition provided.

### Final Answer
The word that matches the definition "to unsettle; to cause worry" is **perturb**.

Question

To match the definition "to unsettle; to cause worry" with the correct word from the options given:

1. **perturb** - This word means to disturb or unsettle, especially in a way that causes worry or anxiety.

2. **transpire** - This means to occur or happen, and does not relate to causing worry.

3. **mangle** - This refers to severely damaging or mutilating something, which is not aligned with causing worry.

4. **revitalize** - This means to bring new energy or life to something, which does not match the definition provided.

### Final Answer
The word that matches the definition "to unsettle; to cause worry" is **perturb**.

Knowee AI · Accepted Answer

To match the definition "to unsettle; to cause worry" with the correct word from the options given:

1. **perturb** - This word means to disturb or unsettle, especially in a way that causes worry or anxiety.

2. **transpire** - This means to occur or happen, and does not relate to causing worry.

3. **mangle** - This refers to severely damaging or mutilating something, which is not aligned with causing worry.

4. **revitalize** - This means to bring new energy or life to something, which does not match the definition provided.

### Final Answer
The word that matches the definition "to unsettle; to cause worry" is **perturb**.

Match the definition with the word.to unsettle; to cause worryperturbtranspiremanglerevitalize