Synonym: bit by bit, gradually, stepwise. Similar words: step, step up, in step, system, oyster, ecosystem, mysterious, solar system. Meaning: adv. 1. in a gradual manner 2. proceeding in steps step-by-step. adj. one thing at a time.
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1. Step by step the ladder is ascended. 
2. Clutch stair armrest, move carefully step by step.
3. Step by step, they were getting to the top.
4. You can finish the longest road step by step. But you may be unable to finish the shortest road if you have no action of striding.
5. You smiled and waved with me, step by step out go farther.
6. We must map out program step by step.
7. I'll explain it to you step by step.
8. A dwarf going upstairs getting higher step by step.
9. Take each lesson step by step .
10. He learnt the rules of the game step by step.
11. Describe step by step how you went about achieving your goal.
12. Be sac and write your story step by step.
13. We are going forward step by step,(sentencedict.com/step by step.html) and trying to solve problems peacefully.
14. All night she had explored step by step what she considered a major problem: her relationship with Alice.
15. Then, little by little, step by step, their dreams grow with the size of their business.
16. Slowly, step by step, she crept along the terrace until she stood there, looking in.
17. And step by step the King was pressing him; step by step Melwas was forced to give in front of the attack.
18. I told her the whole ugly story, and step by step I crawled down into the horror of it again.
19. She came uncertainly forward, step by step, feeling for her balance.
20. Seawater step by step groundfeed Tuvalu person to live.
21. We must map out our program step by step.
22. A foreign language cannot be learned rapidly,it must be learned step by step.
23. I am not rushing things and I'm taking it step by step.
24. Don't worry - I'll go through the procedure with you step by step.
25. But other men, who remain unsatisfied, continue to grow step by step to new levels.
26. Bernice could hardly resist the urge to turn and run, but she supported Defries and retreated step by step.
27. This knowledge allows him to trace the development of Proustian themes and reconstruct how Proust wrote his book, step by step.
28. Don't just go through life, grow through it for life comes to you only once. Never to return. Climb the ladder of life, step by step. RVM
29. He goes back to the beginning and works his way through the case, step by step.
30. The quality of the photographic images is very good and offers step by step examples of ideas.