Simple past tense and past participle of gridlock.(verb)
Stationary in a gridlock(adjective)
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Use "gridlocked" in a sentence
"But since then Csikszentmihalyi’s theory seems to have lost traction, so I was intrigued to hear my Turkish friend (in gridlocked traffic that was the antithesis of flow!) update me on a couple of recent studies (copies of which he subsequently sent me) that have rehabilitated the notion of flow."
"Afterwards, the Dow plunged again and was down 600 points or more, further reflecting the investing world's lack of confidence in what one trader called the "gridlocked circus" of Washington, D.C."
"I do agree that the president needs to step forward and lead on this issue because right now congress is kind of gridlocked on this thing, but let's remember he doesn't need Republican votes."