Match the definition with the word.a person who takes a false identity to deceiveimposterpinnacleresiduefrugality

Step 1: Break Down the Problem

We need to match the definition "a person who takes a false identity to deceive" with the correct word from the list:

1. imposter
2. pinnacle
3. residue
4. frugality

Step 2: Relevant Concepts

• Imposter: Refers to someone who pretends to be someone else, particularly to deceive others.
• Pinnacle: Means the highest point or peak, often used in a figurative sense.
• Residue: Refers to what remains after a part is taken, disposed of, or gone.
• Frugality: Concerns being economical or avoiding unnecessary expenditure.

Step 3: Analysis and Detail

Upon analyzing the definitions:

• The term "imposter" directly aligns with the provided definition as it describes someone who adopts a false identity with the intent to deceive.

Step 4: Verify and Summarize

The other terms do not fit the definition of someone taking a false identity:

• Pinnacle relates to heights or achievements.
• Residue pertains to leftover materials or remains.
• Frugality involves careful use of resources. Thus, the appropriate match is clear.

Final Answer

The word that matches the definition "a person who takes a false identity to deceive" is imposter.