We found 7 dictionaries that define the word in a big way:

General (5 matching dictionaries)

1. in a big way: Merriam-Webster
2. in a big way: Oxford Learner's Dictionaries
3. in a big way: Rhymezone

Miscellaneous (1 matching dictionary)

4. in a big way: Idioms

Slang (1 matching dictionary)

5. in a big way: Urban Dictionary

Definitions from WordNet (in a big way) ▸ adverb:  with much ceremony ("They celebrated her birthday in a big way") Phrases: overcharge in a big way, more... ▸ Words similar to in a big way ▸ Usage examples for in a big way ▸ Idioms related to in a big way ▸ Wikipedia articles (New!) ▸ Words that often appear near in a big way ▸ Rhymes of in a big way ▸ Invented words related to in a big way