🎯 テーマ別TOEIC語彙集【800点を目指す大学生・社会人向け】

TOEIC800点に到達するためには、単語力が大きなカギになります。
特にPart3・4・7では、業界別の語彙知識が問われることが非常に多いです。

この記事では、TOEICで頻出する6つのテーマについて、例文＆意味つきで15語ずつを紹介します。
目指すは「知らなかった単語がそのまま出題されて満点回答できる状態」！

🤔 なぜテーマ別語彙が必要なのか？【800点突破のポイント】

TOEIC800点以上を目指す方にとって、「文脈の中で単語を理解する力」が不可欠です。
例えばPart7では、製品発表、旅行代理店、医療施設、ITシステム導入など、テーマが日常英語からビジネス全般にまで広がります。

☑ よくあるTOEICの罠：

「単語帳で見た気はするけど、文脈で意味が取れない…」

これを防ぐには、「テーマ別＋例文」での学習が一番効率的なんです！

単語	意味	例文
negotiate	交渉する	We need to negotiate better terms with the supplier.
approve	承認する	The manager approved the budget proposal.
agenda	議題、予定表	Please check the agenda before the meeting starts.
colleague	同僚	She discussed the issue with her colleagues.
deadline	締切	The project deadline was extended by one week.
efficient	効率的な	We need to find a more efficient way to process orders.
launch	発売する、開始する	The company plans to launch a new product next month.
memo	社内文書	I received a memo regarding the schedule change.
reschedule	予定を変更する	Can we reschedule the meeting for Friday?
supervisor	上司、監督者	Please report your progress to your supervisor.
promotion	昇進	He got a promotion after two years with the company.
attendance	出席	Attendance at the seminar was lower than expected.
conference	会議	The annual conference will be held in Tokyo.
resignation	辞職	Her resignation came as a surprise to everyone.
evaluate	評価する	The manager will evaluate each employee’s performance.

単語	意味	例文
deposit	預金、預け入れる	I made a deposit of $500 into my savings account.
withdrawal	引き出し	You can make a cash withdrawal at any ATM.
investment	投資	Real estate is a common type of investment.
interest	利子、利息	The interest rate on this loan is quite low.
loan	融資、ローン	He applied for a personal loan to buy a car.
balance	残高	Your account balance is now $2,000.
transaction	取引	All transactions are recorded electronically.
mortgage	住宅ローン	They took out a mortgage to buy their house.
asset	資産	The company’s assets exceeded its liabilities.
liability	負債	The business has significant liabilities.
refund	返金	Customers may request a full refund within 30 days.
revenue	収益	Annual revenue increased by 12%.
invoice	請求書	Please pay the invoice within two weeks.
budget	予算	We need to reduce our marketing budget.
credit	信用、クレジット	Your credit score affects your loan approval.

単語	意味	例文
consumer	消費者	The company conducted a survey to understand consumer behavior.
survey	調査	We will launch a new survey next month.
strategy	戦略	Their marketing strategy led to increased sales.
campaign	キャンペーン	The advertising campaign was very successful.
feedback	反応、意見	Customer feedback helps improve the product.
target	対象、狙う	We are targeting young professionals with this product.
trend	傾向、トレンド	There is a growing trend toward online shopping.
brand	ブランド	The new brand image attracted more customers.
competitor	競合	We need to stay ahead of our competitors.
launch	発売、開始	They launched their product in Europe first.
commercial	コマーシャル	I saw their commercial on TV last night.
market	市場	The smartphone market is highly competitive.
promote	宣伝する、促進する	The company is promoting its latest model heavily.
sponsor	スポンサー、支援者	They sponsored a local sports event.
pricing	価格設定	We need to review our pricing strategy.

単語	意味	例文
software	ソフトウェア	We are updating the accounting software.
hardware	ハードウェア	The hardware needs to be replaced.
device	機器	Please connect your device to the network.
network	ネットワーク	There was a network issue this morning.
update	更新	The app needs a system update.
download	ダウンロード	You can download the file from our website.
install	インストールする	I installed the new version yesterday.
server	サーバー	The server is currently under maintenance.
access	アクセスする	You can access the system remotely.
password	パスワード	Please change your password regularly.
system	システム	The new system improves efficiency.
login	ログインする	I couldn’t log in due to a connection error.
backup	バックアップ	Don’t forget to back up your files.
file	ファイル	The report is saved as a PDF file.
troubleshoot	トラブルを解決する	I need to troubleshoot the printer issue.

単語	意味	例文
itinerary	旅程	Please check your itinerary before departure.
reservation	予約	I made a reservation at the hotel.
accommodation	宿泊施設	The price includes accommodation and meals.
flight	フライト	My flight was delayed due to weather.
boarding pass	搭乗券	Show your boarding pass at the gate.
delay	遅延	The train is running with a 30-minute delay.
baggage	荷物	Please keep your baggage with you.
passport	パスポート	Don’t forget to bring your passport.
customs	税関	I had to declare items at customs.
tour guide	ガイド	The tour guide was very knowledgeable.
sightseeing	観光	We went sightseeing around the city.
ticket	チケット	I bought a round-trip ticket online.
check-in	チェックインする	You can check in via the app.
cancellation	キャンセル	Cancellation fees may apply.
fare	運賃	The bus fare is 300 yen.

単語	意味	例文
appointment	予約	I made an appointment with the doctor.
prescription	処方箋	The pharmacist gave me a prescription.
symptom	症状	He complained of flu-like symptoms.
diagnosis	診断	The diagnosis was confirmed by a specialist.
treatment	治療	She is receiving treatment for her injury.
clinic	診療所	The clinic opens at 9 a.m.
fever	熱	He had a high fever last night.
painkiller	痛み止め	The doctor prescribed a painkiller.
blood test	血液検査	The blood test showed normal results.
insurance	保険	Do you have health insurance?
emergency	緊急事態	Call an ambulance in case of emergency.
recovery	回復	She is making a fast recovery.
nurse	看護師	The nurse checked his temperature.
surgery	手術	He underwent heart surgery.
allergy	アレルギー	She has a peanut allergy.