We found 9 dictionaries that define the word stumbling blocks:

General (7 matching dictionaries)

1. stumbling blocks: Merriam-Webster
2. stumbling blocks: Collins English Dictionary
3. stumbling blocks: Vocabulary.com
4. stumbling-blocks: Wordnik
5. stumbling blocks: Cambridge Advanced Learner's Dictionary
6. stumbling-blocks, stumbling blocks: Wiktionary
7. stumbling blocks: TheFreeDictionary.com

Business (1 matching dictionary)

8. stumbling blocks: Legal dictionary

Miscellaneous (1 matching dictionary)

9. stumbling blocks: Idioms

(Note: See stumbling_block as well.)

Definitions from Wiktionary (stumbling block) ▸ noun:  (idiomatic) A hindrance, obstacle or impediment; an opportunity for error. ▸ Also see stumbling_block ▸ Words similar to stumbling blocks ▸ Usage examples for stumbling blocks ▸ Idioms related to stumbling blocks ▸ Wikipedia articles (New!) ▸ Words that often appear near stumbling blocks ▸ Rhymes of stumbling blocks ▸ Invented words related to stumbling blocks