steadily
In a constant, even way without stopping or changing suddenly.
Steadily means happening in a continuous, even way without sudden changes or stops. When you work steadily on a puzzle, you keep placing pieces at a consistent pace rather than rushing through some parts and giving up on others. When rain falls steadily, it comes down at the same rate, not in sudden downpours followed by drizzles.
The word captures two important ideas: continuity (it keeps going) and evenness (it doesn't jump around wildly). A student who steadily improves their math skills gets a little better each week, rather than making huge leaps one day and falling behind the next. A company that grows steadily adds customers and revenue at a reliable rate year after year.
You might hear someone say they've been steadily reading through a long book series, meaning they've been making regular progress without racing through it or abandoning it for months. The word often suggests patience and persistence, like a turtle moving steadily toward the finish line while faster animals dart around erratically. Things that happen steadily might seem slow in the moment, but that consistent progress adds up over time.