大方(おおかた)perhaps, almost all, majority

仕事(しごと)が大方(おおかた)片付(かたづ)いたので退勤(たいきん)しました。

I left work because the majority of my tasks were completed. {perhaps, almost all, majority}

論文(ろんぶん)の大方(おおかた)は理解(りかい)できたが、一部(いちぶ)理解(りかい)出来(でき)なかった。

I was able to understand the majority of the thesis, but there was a part I could not comprehend. {perhaps, almost all, majority}

先生(せんせい)：「あの生徒(せいと)はまた遅刻(ちこく)だ。大方(おおかた)寝坊(ねぼう)でもしたのだろう…。」

Teacher: "That student is late again. Perhaps they overslept..." {perhaps, almost all, majority}

僕(ぼく)は大(おお)食(ぐ)いなこととて、給料(きゅうりょう)の大方(おおかた)がいつも食費(しょくひ)に消(き)えてしまいます。

Considering I have a big appetite, the majority of my salary always ends up being spent on food. {perhaps, almost all, majority}

上司(じょうし)：「あの後輩(こうはい)はまた遅刻(ちこく)か…。まあ、大方(おおかた)寝坊(ねぼう)か二(に)度(ど)寝(ね)でもしたのだろう。」

Boss: "That junior is late again... Well, he probably overslept or hit the snooze button." {perhaps, almost all, majority}