Loyalty in a relationship is precious, but for some people, the pull toward excitement, freedom, or temptation becomes stronger than their commitment. According to recent surveys, certain zodiac signs seem more predisposed to unfaithful behavior when they feel restless, restricted, or unfulfilled. While no one is “doomed” because of their sign and every person makes their own choices, the data and astrological commentary suggest patterns worth being aware of. If you’re in a relationship or caring about your heart, this guide can help you stay alert and understand potential red flags. Here are the five signs most frequently cited as the ones to watch.
1. ♊️ Gemini
Gemini often tops the list for potential infidelity. According to the article “The Most Unfaithful Zodiac Signs” from Times of India, Gemini is ranked #1 due to their innate curiosity and desire for variety. The Times of India+2The Times of India+2 The dual nature of Gemini means they may feel confined if a relationship becomes routine or lacks intellectual stimulation. They seek excitement, variety, and connection—and when those needs aren’t met, they may stray. If you’re with a Gemini, be sure you keep the conversation fresh, respect their need for novelty, and make them feel mentally engaged. Loyalty becomes more likely when their mind is activated and their free spirit trusted.
2. ♐️ Sagittarius
The adventurous Archer finds himself at #2 on many unfaithfulness rankings. For example, the Times of India article lists Sagittarius as second for infidelity risk. The Times of India+1 Sagittarians value freedom, exploration, and living in the moment. They don’t like feeling trapped. In relationships where they sense restrictions, obligation, or routine, they may look for an exit or distraction elsewhere. To make a Sagittarius feel safe and loyal, partnership should feel like an adventure—not a cage. When they’re equally excited by your life and yours by theirs, their wandering tendencies are less likely to be triggered.
3. ♈️ Aries
Aries comes next on many lists of the most unfaithful signs. Impulsivity, a craving for excitement, and fast-paced energy are part of their DNA. The ranking from MyAstroMag lists Aries high on the likelihood of cheating (around 9 %) due to restlessness and the need for something new. Astrofame When an Aries feels undervalued, bored, or not challenged, they may act without thinking. If you’re in a relationship with an Aries, keep the spark alive, treat them as a partner in action, and make sure the connection stays dynamic. Stability is good—but stagnation is their greatest threat.
4. ♌️ Leo
Leos, though generous and loyal in many cases, also appear in infidelity rankings when they feel unseen, unappreciated, or overshadowed. According to the Times of India list, Leo is included in the “most unfaithful” category. The Times of India+1 Leos thrive on admiration, affection, and being treated like someone special. When their flame dims in a relationship and they feel taken for granted, they’re more vulnerable to seeking that validation elsewhere. The key with Leo is genuine appreciation, letting them shine alongside you, and making them feel loved for who they are—not just what they do.
5. ♎️ Libra
Libras might surprise some people by making this list, but they show up consistently in “most likely to cheat” articles due to their social nature, love of connection, and fear of conflict. The Times of India mentions Libra among the signs prone to unfaithful behavior. The Times of India+1 Libras will often stay in relationships even when unhappy, because they hate confrontation—but that doesn’t always prevent them from forming emotional or physical attachments outside the relationship. To keep a Libra loyal, invest in a strong emotional bond, honest communication, and make sure the relationship feels fair and balanced to them.