Outsize/ˈaʊtsaɪz/ Definition 1 of 2Pro Tip 1/3Visual Impact Outsize can suggest strong visual presence or statement. The artist's outsize sculpture dominated the exhibition. Pro Tip 2/3Humor Effect Outsize items are often used humorously or for surprise. He arrived at the party wearing outsize glasses, causing laughter. Pro Tip 3/3Not Exaggerated 'Outsize' means significantly larger, but believable, in size. The outsize apple looked unusual but was real.