impressing upon (verb) hammer away/hammer into: work hard at
Sinonime: big, chips are down, consequential,
considerable, critical, crucial,
decisive, earth-shaking, earth-shattering, epochal, eventful, far-reaching, fateful,
grave,
heavy, heavy number,
historic,
material, meaningful,
memorable,
notable, of moment,
outstanding, pivotal, significant,
substantial, vital, weighty
Antonime: immaterial,
insignificant,
trifling,
trivial,
unimportant