Protrude, project, as in Those reliefs stand out from the building walls. [First half of 1500s]
Be conspicuous, distinctive, or prominent, as in He's so tall that he always stands out in a crowd. [Mid-1800s]
Refuse to comply, remain opposed, as in The one juror is standing out against a guilty verdict. [Late 1500s]
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.