We found 23 dictionaries that define the word step in:

General (19 matching dictionaries)

1. step in: Longman Dictionary of Contemporary English
2. step-in, step in: Merriam-Webster
3. step-in, step in: Oxford Learner's Dictionaries
4. step-in: American Heritage Dictionary of the English Language
5. step-in, step-in, step in: Collins English Dictionary
6. step-in, step in: Vocabulary.com
7. step-in: Wordnik
8. step in: Cambridge Advanced Learner's Dictionary
9. step-in, step in: Wiktionary
10. step-in: Webster's New World College Dictionary, 4th Ed.
11. step-in: The Wordsmyth English Dictionary-Thesaurus
12. step-in: Infoplease Dictionary
13. step-in, step in: Dictionary.com
14. step-in, step in: Rhymezone
15. step-in, step in: FreeDictionary.org
16. step-in, step in: Mnemonic Dictionary
17. step-in, step in: TheFreeDictionary.com

Business (1 matching dictionary)

18. step in: Legal dictionary

Computing (1 matching dictionary)

19. step-in, step in: Encyclopedia

Miscellaneous (1 matching dictionary)

20. step in: Idioms

Slang (1 matching dictionary)

21. Step In: Urban Dictionary

(Note: See step_ins as well.)

Definitions from Wiktionary (step in) ▸ verb:  (intransitive) To act as a replacement or substitute. ▸ verb:  (intransitive) To get involved; to act Similar: stand in, substitute, deputize, interfere, intervene, interpose, cover, stand in for, supply, fill in, more... Opposite: step out, exit, leave, retreat Phrases: step up in basis, a step in the right direction, to step in, Step in the Arena, Step Back in Time, more... Adjectives: double, substitutable, alternate, second-string, swapping, surrogate, cambial, backup, bestead, makeshift, substitutionary ▸ Words similar to step in ▸ Usage examples for step in ▸ Idioms related to step in ▸ Wikipedia articles (New!) ▸ Words that often appear near step in ▸ Rhymes of step in ▸ Invented words related to step in