We found 22 dictionaries that define the word hijacker:

General (17 matching dictionaries)

1. hijacker: Merriam-Webster
2. hijacker: Oxford Learner's Dictionaries
3. hijacker: Collins English Dictionary
4. hijacker: Vocabulary.com
5. Hijacker, hijacker: Wordnik
6. hijacker: Cambridge Advanced Learner's Dictionary
7. hijacker: Wiktionary
8. hijacker: Infoplease Dictionary
9. hijacker: Dictionary.com
10. hijacker: Cambridge Essential American English Dictionary
11. Hijacker (comics): Wikipedia, the Free Encyclopedia
12. hijacker: Rhymezone
13. hijacker: FreeDictionary.org
14. hijacker: Mnemonic Dictionary
15. hijacker: TheFreeDictionary.com

Business (2 matching dictionaries)

16. hijacker: Merriam-Webster Legal Dictionary
17. hijacker: Legal dictionary

Computing (2 matching dictionaries)

18. hijacker: Netlingo
19. hijacker: Encyclopedia

Slang (1 matching dictionary)

20. Hijacker: Urban Dictionary

(Note: See hijack as well.)

Definitions from Wiktionary (hijacker) ▸ noun:  Someone who hijacks. ▸ noun:  (computing) Hijackware. Similar: road agent, highwayman, highjacker, hacker, skyjacker, carjacker, air pirate, kidnapper, commandeerer, attacker, more... Opposite: rescuer, savior, hero Phrases: browser hijacker, 20th hijacker, more... Adjectives: twentieth, 20th, potential, lone, alleged, male, third, second, called, fifth, chief ▸ Words similar to hijacker ▸ Usage examples for hijacker ▸ Idioms related to hijacker ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hijacker ▸ Words that often appear near hijacker ▸ Rhymes of hijacker ▸ Invented words related to hijacker