Large and heavy or solid. The massive boulder blocked the entrance to the cave.
Exceptionally large in amount, degree, or extent. The company announced a massive increase in profits this quarter.
Impressive or imposing in scale or size. The massive skyscraper dominated the city's skyline.
Having mass; not massless, especially when referring to elementary particles in physics. The W and Z bosons are massive, whereas photons are massless.
(informal, chiefly British) Extremely successful, influential, or excellent; immensely popular. Their debut single was massive across the UK charts that summer.