We found 9 dictionaries that define the word slow on the uptake:

General (5 matching dictionaries)

1. slow on the uptake: Longman Dictionary of Contemporary English
2. slow on the uptake: Merriam-Webster
3. slow on the uptake: Collins English Dictionary
4. slow on the uptake: Wiktionary
5. slow on the uptake: TheFreeDictionary.com

Computing (1 matching dictionary)

6. slow on the uptake: Encyclopedia

Medicine (1 matching dictionary)

7. slow on the uptake: Medical dictionary

Miscellaneous (1 matching dictionary)

8. slow on the uptake: Idioms

Slang (1 matching dictionary)

9. slow on the uptake: Urban Dictionary

Definitions from Wiktionary (slow on the uptake) ▸ adjective:  (colloquial, idiomatic) Of a person, slow to comprehend or process intellectually. Similar: slow, dense, backward, slow-witted, slowwitted, dozy, tardy, obtuse, logy, dull, more... Opposite: quick-witted, sharp, astute, intelligent, perceptive Phrases: be quick slow on the uptake, more... ▸ Words similar to slow on the uptake ▸ Usage examples for slow on the uptake ▸ Idioms related to slow on the uptake ▸ Wikipedia articles (New!) ▸ Popular nouns described by slow on the uptake ▸ Words that often appear near slow on the uptake ▸ Rhymes of slow on the uptake ▸ Invented words related to slow on the uptake