🇬🇧 Infidelity meaning: English Vocabulary Flash Card

Infidelity is when a person who has a husband, wife, or partner secretly starts a romantic or kissing relationship with another person. It is considered breaking a big promise to be loyal and loving only to that one special partner. Grown‑ups usually make this promise in marriage, and infidelity means they didn’t keep that promise and hurt the other person’s feelings and trust.

The knight’s armor squeaked so loudly during his infidelity at the balcony that the whole castle woke up.

The superhero’s biggest scandal wasn’t his cape malfunction, but his infidelity with a villain who kept sending him heart‑shaped smoke signals.

The castle mirrors reported royal infidelity after reflecting the king kissing someone who definitely didn’t wear the queen’s crown.

In Dog Town, infidelity means sniffing someone else’s tail after you promised to sniff only one forever.

In ancient stories, kings and queens often fought wars because of infidelity, proving that broken hearts can cause more trouble than broken swords.

She opened the door and found her husband kissing a stranger. Infidelity hit like cold rain—infidelity in the kitchen, infidelity on her wedding photos. She stepped back, voice small: "Is this infidelity?" He dropped the stranger's hand. The stranger left. She closed the door, heart tight, and left their home, naming it infidelity.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

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