collaborate
verb (used without object)
to work, one with another; cooperate, as on a literary work.
had collaborated
-
past perfectof collaborate.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Two Senegalese villages that had collaborated with her before volunteered to take part.
From Science Daily ● Jan. 24, 2026
The 9/11 Commission later claimed to find no evidence that Saddam had collaborated with al Qaeda.
From The Wall Street Journal ● Nov. 19, 2025
There was plenty of U.S. and RVN propaganda predicting a bloodbath of Vietnamese who had collaborated with or were sympathetic to the United States.
From Slate ● Apr. 30, 2025
The pair had collaborated closely in the second half of the 1990s when Mourinho was working as Bobby Robson and Louis van Gaal's assistant, and Guardiola was the Barca captain.
From BBC ● Apr. 23, 2025
Several people had collaborated to write “The Ballad of Ben, Brewer Supreme.”
From "The Name of the Wind" by Patrick Rothfuss
