1
2
a : large, solid, or heavy in structure {massive jaw} b : large in scope or degree {the feeling of frustration, of being ineffectual, is massive — David Halberstam} c (1) : large in comparison to what is typical {a massive dose of penicillin} (2) : being extensive and severe {massive hemorrhage} {massive collapse of a lung} (3) : imposing in excellence or grandeur : monumental {massive simplicity}
3
: having mass {a massive boson}