largely//ˈlɑːrdʒli//B2Frequency Level 6NeutralAdverblargelyCanonical form1to a great extent; mostly or mainlyThe project's success was largely due to teamwork.2on a large scale; in large amountsThe company invested largely in new technology.SynonymmostlymainlychieflypredominantlyAntonymslightlyminimally