bad - Master This Word
Master this word with our 5-step learning method – Learn English in English
bad Word Meanings
- not good in quality
- something unpleasant or harmful
- morally wrong or evil
bad Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
bad Phonetic & Pronunciation
UK
/bæd/
US
/bæd/
bad Word Etymology
Root: bad (no clear prefix or suffix). Origin: Old English 'bædd' → 'bad' in Middle English. Memory Image: Imagine a rotten apple, representing how something bad can spoil everything around it.
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 InputEnglish Brain Route
I reach for a mug, test the grip, and set it on the desk. It wobbles, so I adjust my hold to keep it steady. A chipped edge presses my finger, and I feel that something about it is off—a hint of bad quality. I set it aside and grab a sturdier cup, deciding to move on.
Real Context
Bad is a foundational English adjective with three broad domains: quality that is not good, something unpleasant or harmful, and morally wrong or evil. Learners often treat it as a simple synonym for poor, using it too broadly or in places where a lighter word would suffice. It can describe objects (a bad lens), situations (a bad day), emotions (a bad feeling), or people’s actions (a bad choice). Distinguish it from badly, the adverb form, and remember that bad can carry stronger moral judgments than simply incorrect. Context and collocations like bad idea or bad weather shape its nuance in real speech.
Usage Reminders
- Use bad for quality, situations, or morals.
- Do not use badly in these contexts; badly is the adverb form.
- Learn contrasts with good as the common opposite.
- Watch for fixed collocations like bad idea or bad weather.
- Adjust tone based on whether the judgment is mild or strong.
Common Misconceptions
- Bad is the opposite of good in every sense.
- Bad only describes people, not things.
- Bad and badly are interchangeable.
- Bad always implies evil.
- You can replace any negative attribute with bad.
Thinking Differences
Explain to an English speaker that bad signals a flexible, context-dependent judgment across quality, mood, and morality; learners often overuse it or miss the nuance between morally bad and merely poor quality.
Learning Tips
- Read and listen to many collocations with bad.
- Practice contrasting bad with good in different contexts.
- Note when bad is a moral judgement vs a statement about quality.
- Remember the adverb badly is not interchangeable here.
- Use authentic examples to see tone and nuance.
- Be careful with idioms where bad means something else.
5-Step Learning Method - Learn English in English
Step 2: Usage
Which sentence uses the word 'bad' correctly?
A.He got a bad grade in school.
B.The weather is bad today.
C.She bad a delicious meal.
D.I feel bad about the situation.
Step 3: Similar Words
What is the most similar word to 'bad'?
A.Good
B.Great
C.Adequate
D.Proper
Step 4: Opposite Words
What is the opposite of 'bad'?
A.Superb
B.Awful
C.Pleasant
D.Mediocre
Step 5: Mastery
Can you think of a real-life context for the word 'bad'?
A.They went on a vacation.
B.He bought a new car.
C.She had a bad experience at the restaurant.
D.The party was fun.
Related Listening
🌱 Lite (Beginner)
🔥 Advanced
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