step-by-step
Synonym discussion
Sense: adjective/1
All four words describe change that happens in stages rather than all at once. Step-by-step emphasises a clear, planned series of actions — you can see exactly what comes next. A step-by-step guide gives numbered stages; a gradual change simply unfolds slowly, with no obvious steps. Sequential is more technical, stressing logical cause-and-effect order ("sequential data processing"), while progressive describes forward movement toward improvement ("progressive muscle relaxation"). For everyday how-to writing, step-by-step is the most concrete and learner-friendly choice. Compare: 'She followed a step-by-step baking tutorial' vs 'Her baking skills improved gradually over a year.'
Common collocations
Etymology
The phrase 'step by step' first appeared in English around the 1500s, using 'step' (from Old English stæpe, meaning a pace or footprint) to suggest one small movement after another. Writers began hyphenating it as 'step-by-step' in the 1600s when putting it before a noun, like 'a step-by-step account'.