upstand adjective 1noun 1verb 1forms 3 adjective1 •(of a beam) Having its top surface above the slab with which it integrates; "an upstand beam". noun1 •A section of a roof covering or flashing which turns up against a vertical surface. verb1 •To stand up; arise; be erect; rise.At once, upstood the monarch, and upstood / The wise Ulysses. — 1820 formsupstood · upstanding · upstands