serious - Master This Word
Master this word with our 5-step learning method – Learn English in English
serious Word Meanings
- solemn and thoughtful
- not joking or playful
- requiring careful consideration
serious Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
serious Phonetic & Pronunciation
UK
/ˈsɪə.ri.əs/
US
/ˈsɪr.i.əs/
serious Word Etymology
serious: 'seri-' (from Latin 'serius' meaning 'grave') + '-ous' (adjective suffix); Origin: Latin → Old French → English. Memory image: visualize someone with a furrowed brow, contemplating a weighty matter, embodying seriousness.
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 tighten my jaw and set my shoulders as I step into the conference room. I push away a smile and let my voice carry a serious weight. I lean in, listen, and adjust my pace and tone with each point. The plan shifts, I hold attention, keep eye contact, and decide how to respond after weighing the consequences.
Real Context
Serious is an English adjective with three closely related ideas: solemn and thoughtful, not joking or playful, and something that requires careful consideration or action. It covers a mood (a serious person who speaks quietly and with gravity), a behavior (being serious about a project rather to make light of it), and a situation (a serious matter that demands planning and care). The term sits between casual and playful and contrasts with joking or light talk. Its etymology traces the word back to Latin serius, via Old French, into English, with the memory image of a furrowed brow contemplating a weighty matter.
Usage Reminders
- Be serious about the context; avoid using serious for light topics. Use serious with tone that matches formality. Pair serious with nouns that denote importance. Don’t say serious when you mean sad or angry; use hurt or upset instead. Remember the idioms take something seriously and be serious about something; practice common collocations.
Common Misconceptions
- Serious only means sad or unhappy.
- Serious always sounds harsh or unkind.
- Serious is the same as strict or severe in every situation.
- If someone is serious, they never laugh or smile.
- Serious can replace every form of emphasis in a sentence.
Thinking Differences
In English, seriousness blends mood and function: it can describe attitude, tone, and the importance of a matter. Other languages may split these into separate words or rely more on context and intonation. Learners often equate serious with sad or harsh or overextend it to any formal situation, so they misread tone.
Learning Tips
- Learn the three core senses: attitude, tone, and importance.
- Pair with phrases like take something seriously and be serious about it.
- Note collocations: serious matter, serious look, serious discussion.
- Differentiate serious from sad, strict, or funny by listening to context.
- Practice formal and informal contexts to hear tone shifts.
- Use memory image of a furrowed brow to recall seriousness.
5-Step Learning Method - Learn English in English
Step 2: Usage
In which of the following sentences is 'serious' used correctly?
A.He laughed during a serious situation.
B.She took the matter seriously and acted promptly.
C.He never takes his work seriously.
D.She was serious about making jokes.
Step 3: Similar Words
Which of the following is a similar word to 'serious'?
A.Lazy
B.Funny
C.Grave
D.Careless
Step 4: Opposite Words
Which of the following is an opposite word to 'serious'?
A.Thoughtful
B.Quiet
C.Important
D.Silly
Step 5: Mastery
In what real-life situation would someone need to be serious?
A.While watching a movie
B.At a comedy show
C.During a birthday party
D.At a job interview
Related Listening
🌱 Lite (Beginner)
🔥 Advanced
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