Why does a cat approach sideways and avoid eye contact?

When an unfamiliar cat comes toward you slowly, with its body angled a little sideways rather than head-on, glancing at you and then away, it can be hard to read. It's not a confident strut and it's not a fearful retreat, it's something in between, and understanding it helps you respond in a way that puts the cat at ease.

This is a cautious, polite greeting, a cat assessing whether you're safe while signaling that it doesn't mean to start a fight. The details are doing specific jobs. In cat communication a direct, unbroken stare is confrontational, so a wary cat deliberately alternates between looking at you and looking away to gather information without issuing a challenge. The sideways body angle keeps its options open, presenting less of a head-on "target" and letting it pivot and retreat quickly if it decides you're not safe after all.

The easy misread is thinking the cat is stalking you, ignoring you, or being standoffish. It's actually being careful and a bit hopeful, working up to contact on its own terms. Pushing past that caution, by staring, reaching out, or moving toward the cat, tends to backfire, because it overrides the very signals the cat is using to feel safe enough to come closer.

The thing to do is almost nothing, and do it well. Sit or crouch still, soften and lower your gaze rather than staring, turn slightly sideways yourself, and let the cat close the distance and make first contact. An occasional slow blink reads as friendly and reassuring. Avoid reaching toward the cat, instead, let it sniff an offered finger or rub against your hand if it chooses. With a nervous or new cat, this patience is what earns trust, while forcing the interaction usually sends it right back under the furniture.