Lookalike/ˈlʊkəlaɪk/ Definition 1 of 2Pro Tip 1/3Not Identical Though 'lookalike' suggests strong similarity, it doesn't mean two things are identical. They're not twins, just lookalikes with similar features. Pro Tip 2/3Metaphorical Use Can describe objects that aren't alive but share a resemblance with something else. I bought a purse that's a lookalike of a designer brand. Pro Tip 3/3Emotional Impact Seeing a lookalike can be surprising or comforting, especially if it resembles a loved one. Seeing her dog's lookalike brought back memories.