Gradual means happening slowly over time, in small steps rather than all at once. When something is gradual, you might not notice the change from one day to the next, but looking back over weeks or months, you can see a clear difference.

Think about how the sun sets. The sky doesn't suddenly switch from bright blue to dark: it gradually shifts through shades of orange, pink, and purple before finally turning dark. Or consider how you've grown taller. You don't wake up one morning five inches taller. Your growth is gradual, happening bit by bit over months and years.

A gradual improvement in your piano playing means you get a little better each week through consistent practice. A gradual hill is one that slopes gently upward rather than shooting straight up like a cliff. When winter gives way to spring, the warming happens gradually, with temperatures creeping higher day by day.

The opposite of gradual is sudden or abrupt. Flipping a light switch is sudden. A sunrise is gradual. Breaking a window is sudden. Erosion wearing down a mountain is gradual. Most meaningful changes in life, from learning a new skill to building a friendship, happen gradually through steady effort over time.