Simple past tense and past participle of tear-gas.(verb)
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Use "tear-gassed" in a sentence
"On Wednesday, Mr. Erdogan appeared to blame the BDP for another attack on his convoy, this time by rock-throwing protesters on Tuesday, in which one of his security team was injured and a protester died of a heart attack while being tear-gassed."
"Uganda's veteran opposition leader Kizza Besigye, President Yoweri Museveni's main challenger during the disputed Feb. 18 election, has been beaten, tear-gassed and pepper-sprayed on several occasions during the protests."
"Police forces tear-gassed and assaulted members of the community, most of them immigrants from the Dominican Republic."