大手【おおて】
major company, big company, front castle gate, force attacking the front of a castle
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)
拡大【かくだい】
expansion, extension, magnification, enlargement, escalation, spread
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)
最大【さいだい】
biggest, greatest, largest, maximum
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
大半【たいはん】
majority, more than half, most (of), mostly, largely, mainly, predominately, nearly
重大【じゅうだい】
serious, important, significant, grave, weighty
大人【おとな】
adult, grown-up
大臣【だいじん】
cabinet minister
大型【おおがた】
large, large-sized, large-scale, big
大使館【たいしかん】
embassy
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