We found 18 dictionaries that define the word switched on:

General (12 matching dictionaries)

1. switched on: Longman Dictionary of Contemporary English
2. switched on: Merriam-Webster
3. switched-on: Oxford Learner's Dictionaries
4. switched-on, switched-on, switched on: Collins English Dictionary
5. switched on: Vocabulary.com
6. switched-on: Wordnik
7. switched-on: Cambridge Advanced Learner's Dictionary
8. switched on: Wiktionary
9. switched-on: Infoplease Dictionary
10. switched-on, switched on: Dictionary.com
11. Switched On (Book), Switched On (EP), Switched On: Wikipedia, the Free Encyclopedia
12. Switched On, switched-on: TheFreeDictionary.com

Business (2 matching dictionaries)

13. Switched On: Legal dictionary
14. Switched On: Financial dictionary

Computing (1 matching dictionary)

15. Switched On: Encyclopedia

Medicine (1 matching dictionary)

16. Switched On: Medical dictionary

Miscellaneous (1 matching dictionary)

17. switched on: Idioms

Slang (1 matching dictionary)

18. switched on: Green’s Dictionary of Slang

Definitions from Wiktionary (switched on) ▸ adjective:  (informal, of a person) Highly attentive and mentally engaged. Similar: plugged in, wide awake, hyperattentive, all eyes and ears, heads-down, psyched up, engaged, full, bound up, busy, more... Opposite: turned off, unplugged, inactive, dormant, idle Types: turned on, powered on, activated, engaged, lit up, ignited, started, running, more... Phrases: switched on a light, more... ▸ Words similar to switched on ▸ Usage examples for switched on ▸ Idioms related to switched on ▸ Wikipedia articles (New!) ▸ Popular nouns described by switched on ▸ Words that often appear near switched on ▸ Rhymes of switched on ▸ Invented words related to switched on