What context can I use each word in?
Learn when and how to use these words with these examples!
infidelity
Example
The couple's marriage was strained due to his infidelity. [infidelity: noun]
Example
She accused him of infidelity after finding messages from another woman on his phone. [infidelity: noun]
unfaithfulness
Example
His unfaithfulness to his wife extended beyond just cheating on her. [unfaithfulness: noun]
Example
She felt hurt by his unfaithfulness to their agreement to spend more time together. [unfaithfulness: noun]
Good things to know
Which word is more common?
Infidelity is more commonly used than unfaithfulness in the context of romantic or marital relationships. Unfaithfulness is a less common synonym for infidelity and can be used in a wider range of contexts.
What’s the difference in the tone of formality between infidelity and unfaithfulness?
Both infidelity and unfaithfulness are formal words that are typically used in serious or sensitive situations, such as counseling or legal proceedings related to divorce or separation.
