大会【たいかい】
mass meeting, convention, rally, conference, assembly, gathering, tournament, competition, contest, meet, grand event
拡大【かくだい】
expansion, extension, magnification, enlargement, escalation, spread
大学【だいがく】
university, college, former imperial university of Japan (established under the ritsuryō system for the training of government administrators), the Great Learning (one of the Four Books)
大手【おおて】
major company, big company, front castle gate, force attacking the front of a castle
大幅【おおはば】
big, large, drastic, substantial, full-width cloth (approx. 72 cm wide for traditional Japanese clothing; approx. 140 cm wide for Western clothing)
大統領【だいとうりょう】
president (of a nation), big man, boss, buddy, mate
大蔵省【おおくらしょう】
Ministry of Finance (1869-2001), Ministry of the Treasury (under the ritsuryō system)
最大【さいだい】
biggest, greatest, largest, maximum
大切【たいせつ】
important, significant, serious, crucial, precious, valuable, dear, cherished, beloved, careful
大国【たいこく】
large country, major nation, great power, province of the highest rank (ritsuryō system)
大変【たいへん】
very, greatly, terribly, awfully, immense, enormous, great, serious, grave, dreadful, terrible, difficult, hard, challenging, major incident, disaster
大使【たいし】
ambassador
大臣【だいじん】
cabinet minister
大量【たいりょう】
large quantity, massive (quantity), mass (e.g. mass production, mass transit, mass destruction)
大使館【たいしかん】
embassy
大人【おとな】
adult, grown-up
重大【じゅうだい】
serious, important, significant, grave, weighty
大半【たいはん】
majority, more than half, most (of), mostly, largely, mainly, predominately, nearly
大型【おおがた】
large, large-sized, large-scale, big
巨大【きょだい】
huge, gigantic, enormous