To be outpaced means to be surpassed or outrun. Some synonyms for outpaced include outstripped, overtook, outdid, surpassed, exceeded, and left behind. These words all denote being outdone or overtaken by someone or something else. When one is outpaced, they no longer hold the lead or the advantage, and they are left behind in the race or competition. Other synonyms for outpaced include outrun, overtook, outdistanced, and outmaneuvered. In many contexts, being outpaced can have negative connotations, suggesting that someone or something wasn't able to keep up with the pace or didn't perform as well as expected.