collaborate

 
Pronunciation: /kəˈlabəreɪt/

verb

[no object]
  • 1work jointly on an activity or project: he collaborated with him on numerous hotel projects
  • 2cooperate traitorously with an enemy: during the last war they collaborated with the Nazis

Origin:

late 19th century: from Latin collaborat- 'worked with', from the verb collaborare, from col- 'together' + laborare 'to work'

Spelling help

Spell collaborate with a double l and -bor- in the middle.