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
最大【さいだい】
biggest, greatest, largest, maximum
大会【たいかい】
mass meeting, convention, rally, conference, assembly, gathering, tournament, competition, contest, meet, grand event
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)
大国【たいこく】
large country, major nation, great power, province of the highest rank (ritsuryō system)
大使【たいし】
ambassador
大変【たいへん】
very, greatly, terribly, awfully, immense, enormous, great, serious, grave, dreadful, terrible, difficult, hard, challenging, major incident, disaster
大切【たいせつ】
important, significant, serious, crucial, precious, valuable, dear, cherished, beloved, careful
大使館【たいしかん】
embassy
大半【たいはん】
majority, more than half, most (of), mostly, largely, mainly, predominately, nearly
大臣【だいじん】
cabinet minister
大型【おおがた】
large, large-sized, large-scale, big
重大【じゅうだい】
serious, important, significant, grave, weighty
大人【おとな】
adult, grown-up
大量【たいりょう】
large quantity, massive (quantity), mass (e.g. mass production, mass transit, mass destruction)
大学院【だいがくいん】
graduate school