This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Simple past tense and past participle of true.

"I have to watch the so-called pavement rather than roadside attractions, and even so I think I need to get that new rear wheel "trued" because of an abusive relationship with US 2."

reliable    dependable    proven    proved   

untried   

try   

tried and true    untried    well-tried    tried and tested   

proved    proven    tested    proof   

try   

Clyde    Eid    Hyde    Outside    Pride    Ride    Stateside    abide    allied    alongside