英語語彙力を高める:テーマ別48の必須単語
テーマ別の語彙学習は英語を伸ばす最も効果的な方法の一つです。自然にセットで登場する単語をまとめて学ぶと、記憶に残りやすく使いやすくなります。48単語すべてを見るか、テーマで絞り込んでください。
48 words · 6 topics
"onboarding"
the process of integrating a new employee into an organisation
"The onboarding programme takes two weeks and covers all company systems."
"leverage"
to use something to maximum advantage
"We need to leverage our existing client relationships to win new business."
"deliverable"
a specific output or result that must be produced as part of a project
"The main deliverable for this sprint is a working prototype."
"bandwidth"
capacity or time available to take on additional work
"I don't have the bandwidth to take on another project this quarter."
"scalable"
able to grow or be expanded without losing quality or performance
"We need a scalable solution that works for both 10 and 10,000 users."
"stakeholder"
a person with an interest or concern in a business or project
"All key stakeholders were present at the product roadmap meeting."
"turnaround"
the time taken to complete a task, or a significant improvement in performance
"The client expects a turnaround of 48 hours on all support tickets."
"proactive"
taking action in anticipation of future problems rather than reacting to them
"A proactive approach to customer service reduces complaints significantly."
"itinerary"
a planned route or schedule for a trip
"She emailed the full itinerary two days before our departure."
"layover"
a stop between two legs of a flight, usually several hours long
"We have a five-hour layover in Dubai before the connecting flight."
"check-in"
the process of registering at a hotel or airport counter
"Online check-in opens 24 hours before the flight."
"transit visa"
a permit allowing a traveller to pass through a country without staying
"British citizens do not need a transit visa for Singapore."
"amenities"
facilities or services provided for comfort and convenience
"The hotel advertised amenities including a spa, gym, and rooftop pool."
"jet lag"
fatigue and disorientation caused by crossing multiple time zones
"It took three days to recover from jet lag after the flight from Tokyo."
"overbooked"
when more seats or rooms have been sold than are actually available
"The flight was overbooked and passengers were offered vouchers to take a later one."
"customs declaration"
a form listing goods brought into a country for inspection by border officials
"You must fill in a customs declaration if you carry more than €10,000 in cash."
"algorithm"
a set of rules or instructions a computer follows to solve a problem or complete a task
"The recommendation algorithm analyses your watch history to suggest new content."
"cloud computing"
storing and accessing data and programmes over the internet rather than a local hard drive
"Cloud computing has made it easy for teams to collaborate from anywhere in the world."
"encryption"
converting data into a code to prevent unauthorised access
"All messages on the app are protected by end-to-end encryption."
"open source"
software whose source code is freely available for anyone to view, modify, or distribute
"Linux is the most widely used open-source operating system in the world."
"artificial intelligence"
the simulation of human intelligence processes by computer systems
"Artificial intelligence is transforming industries from healthcare to finance."
"phishing"
a fraudulent attempt to steal personal information by posing as a trustworthy source
"The IT department warned staff about a phishing email disguised as a payroll update."
"latency"
the delay between a user action and the response of a system
"High latency during the video call made the conversation frustrating."
"user interface"
the visual elements through which a user interacts with a device or application
"The redesigned user interface made the app far easier to navigate."
"chronic"
persisting for a long time or constantly recurring, especially regarding illness
"She has been managing chronic back pain for the past five years."
"sedentary"
involving little physical movement; spending a lot of time sitting
"A sedentary lifestyle increases the risk of heart disease and type 2 diabetes."
"resilience"
the ability to recover quickly from difficulties, setbacks, or illness
"Building mental resilience is as important as physical fitness."
"immune system"
the body's defence network that fights infections and disease
"Regular sleep strengthens the immune system and reduces recovery time."
"inflammation"
the body's response to injury or infection, often causing redness, pain, and swelling
"Chronic inflammation is now linked to a wide range of serious diseases."
"metabolism"
the chemical processes in the body that convert food into energy
"Exercise boosts your metabolism and helps you burn calories more efficiently."
"mindfulness"
the practice of focusing attention on the present moment with calm awareness
"Ten minutes of mindfulness meditation each morning reduced her anxiety significantly."
"preventive care"
medical measures taken to prevent illness before it develops
"Regular check-ups are the cornerstone of effective preventive care."
"carbon footprint"
the total amount of greenhouse gases produced by an individual, organisation, or activity
"Flying less is one of the most effective ways to reduce your carbon footprint."
"biodiversity"
the variety of plant and animal life in a particular habitat or on Earth as a whole
"Deforestation is one of the greatest threats to biodiversity."
"renewable energy"
energy from sources that are naturally replenished, such as solar, wind, and hydro
"By 2030, the country aims to generate 70% of its electricity from renewable energy."
"ecosystem"
a biological community of interacting organisms and their environment
"Coral reefs are some of the most complex and fragile ecosystems on the planet."
"emissions"
gases or pollutants released into the atmosphere as a result of human activity
"The agreement requires all signatories to cut emissions by 45% by 2035."
"sustainable"
able to be maintained without depleting natural resources or causing long-term harm
"The company switched to sustainable packaging made from recycled materials."
"deforestation"
the large-scale clearing of forests, typically for agriculture or development
"Deforestation in the Amazon has accelerated significantly over the past decade."
"net zero"
a state where greenhouse gas emissions are balanced by their removal from the atmosphere
"The airline pledged to reach net zero by 2050 through offsets and technology."
"empathy"
the ability to understand and share the feelings of another person
"Good empathy is the foundation of any strong and lasting friendship."
"boundaries"
personal limits that define acceptable behaviour in relationships
"She had to clearly set boundaries with her colleagues about after-hours messages."
"compromise"
reaching an agreement by each side giving up part of what it wants
"Every healthy relationship requires a willingness to compromise."
"estrangement"
the state of being no longer close or friendly with someone
"After the argument, years of estrangement followed before they reconciled."
"reciprocal"
given or felt by each toward the other; mutual
"A healthy friendship is reciprocal — both people make an effort."
"attachment style"
a pattern of emotional bonding that develops in childhood and influences adult relationships
"Understanding your attachment style can help you improve communication with your partner."
"platonic"
relating to a close relationship that is not romantic or sexual
"They have been close platonic friends for over fifteen years."
"toxic"
very harmful or damaging to a person's wellbeing, especially in a relationship
"She finally recognised the relationship was toxic and decided to leave."
よくある質問
英語が流暢になるには何単語必要ですか?
研究によると、最も一般的な3,000の英語語族を知ることで、日常会話の約95%をカバーできます。実用的な流暢さのためには5,000〜8,000語を目標にしましょう。テーマ別語彙学習は、実際に遭遇する場面に関連した単語を確実に学べるため、このプロセスを加速します。
英語の語彙を増やすベストな方法は何ですか?
最も効果的な方法は、興味のあるトピックのポッドキャストを聴いたり、動画を観たり、読書をしたりして、文脈の中で繰り返し単語に出会うことです。自然なコンテキストで単語を5〜10回目にすることは、フラッシュカードの丸暗記よりずっと効果的です。このページのようなテーマ別学習は、積み上げるための基盤を提供します。
単語リストで学ぶべきか、文脈の中で学ぶべきか?
どちらにも価値がありますが、文脈の方が強力です。リストは新しい単語を発見するのに役立ち、文脈は定着させます。このガイドで新しい単語を学んだら、同じトピックのポッドキャストや動画でその単語を積極的に探しましょう。両方のアプローチを組み合わせることが、最速の記憶定着への道です。
テーマ別語彙学習はなぜ効果的なのですか?
単語をテーマ別にグループ化すると、脳が意味ネットワーク(互いに強化し合う関連概念のクラスター)を構築します。"carbon footprint"、"emissions"、"net zero"をまとめて学ぶと、同じ精神的文脈が活性化され、後で各単語を思い出しやすくなります。これがテーマ別学習がランダムな単語暗記を上回る理由です。
特定のテーマエリアの語彙を練習するにはどうすればいいですか?
最も強力な方法は、まさにそのテーマの本物のインプット(動画・ポッドキャスト・記事)を見つけることです。仕事とキャリアの語彙を学んだなら、プロフェッショナルのインタビューを観たり、ビジネスポッドキャストを聴いたりしましょう。自然なスピーチで同じ単語に出会うことで、どんな練習よりもずっと効果的に定着します。
テーマ別語彙学習は、同じテーマのリスニング素材と組み合わせると最も効果的です。
実際の動画で練習する →