We found 10 dictionaries that define the word clams up:

General (6 matching dictionaries)

1. clams up: Merriam-Webster
2. clams up: Collins English Dictionary
3. clams up: Vocabulary.com
4. clams up: Cambridge Advanced Learner's Dictionary
5. clams up: Wiktionary
6. clams up: TheFreeDictionary.com

Computing (1 matching dictionary)

7. clams up: Encyclopedia

Medicine (1 matching dictionary)

8. clams up: Medical dictionary

Miscellaneous (1 matching dictionary)

9. clams up: Idioms

Slang (1 matching dictionary)

10. clams up: Urban Dictionary

Types: clam up, button up, zip up, shuts up, close up, hush up, more... ▸ Words similar to clams up ▸ Usage examples for clams up ▸ Idioms related to clams up ▸ Wikipedia articles (New!) ▸ Words that often appear near clams up ▸ Rhymes of clams up ▸ Invented words related to clams up