onus - Master This Word
Master this word with our 5-step learning method – Learn English in English
onus Word Meanings
- a burden or responsibility
- an obligation or duty
onus Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
onus Phonetic & Pronunciation
UK
/ˈəʊnəs/
US
/ˈoʊnəs/
onus Word Etymology
Root decomposition: 'onus' (Latin, meaning 'burden'). Historical origin: Latin → Old French → English. Memory image: Imagine carrying a heavy backpack filled with stones, representing the burdens and responsibilities we must bear in life.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Onus is a formal noun meaning a burden or responsibility that rests on someone or something to act. In formal writing it often appears with the phrase the onus is on to indicate duty or obligation, as in policy or legal contexts. The word carries accountability as well as weight, and it tends to imply consequences if the obligation is not fulfilled. Its etymology traces to Latin onus, a burden, moving through Old French into English. A vivid memory image is carrying a heavy backpack filled with stones, symbolizing the responsibilities we must bear and the expectation that others may rely on us.
Usage Reminders
- 1) Use onus in formal contexts only. 2) Pair with the phrase the onus is on someone. 3) Distinguish onus from burden; onus implies duty and accountability. 4) Common in policy, law, and management discourse. 5) The subject of the verb varies with the noun, not the preposition. 6) Avoid casual phrases that misplace the formal tone.
Common Misconceptions
- It always means heavy physical weight like a backpack.
- It is interchangeable with burden in all contexts.
- Only lawyers and politicians use it.
- It can refer to anyone or anything without a clear agent.
- It is used in casual everyday speech.
Thinking Differences
English tends to label onus as a formal, accountability-driven term used in official contexts; learners often overgeneralize it to everyday English or replace it with burden, missing the duty-to-accountability nuance.
Learning Tips
- Practice the phrase the onus is on someone to act in formal writing.
- Compare onus with burden to feel the nuance of responsibility.
- Note its formal tone and avoid casual substitutes in official texts.
- Link to related terms like obligation, duty, and accountability.
- Read policy or legal passages to see authentic usage.
- Create a memory cue with the heavy backpack image.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of 'onus'?
A.A burden or duty
B.A type of food
C.A celebration
D.A tropical plant
Step 2: Usage
Choose the sentence that uses 'onus' correctly.
A.The onus of the event was a joyful celebration for all attendees.
B.He decided to cook the onus for dinner.
C.She felt the onus of responsibility weighing heavily on her shoulders.
D.The teacher placed the onus on the students to complete their homework.
Step 3: Similar Words
Which word is most similar to 'onus'?
A.Freedom
B.Joy
C.Duty
D.Entertainment
Step 4: Opposite Words
What is the opposite of 'onus'?
A.Relief
B.Task
C.Burden
D.Challenge
Step 5: Mastery
Can you think of a real-life context where 'onus' would apply?
A.The teacher asked whether the students would handle the responsibility and complete their project.
B.During the holiday season, many people face the onus of gift shopping.
C.In any group project, the onus is on the group leader to ensure everything is completed on time.
D.At the meeting, they discussed the onus of improving customer satisfaction.
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