Meaning of No idea
A phrase used to express lack of knowledge about something.
In simple words: I don't know or understand
No idea in a sentence
- I have no idea where my keys are.
- She asked me about the project, and I had no idea.
- Do you know the answer? I have no idea!
How to use No idea
Use in casual conversations when you have no knowledge of something. Avoid in formal situations.
Grammar pattern
standalone phrase
Memory hint
Think of having a light bulb turn off: 'no idea' means no brightness.
Related words
Collocations with No idea
- have no idea
- give no idea
- no idea what's going on
Synonyms for No idea
- not sure
- uncertain
- no clue
- dunno
Opposites of No idea
- have a clue
- know
- be certain
- understand
Common mistakes with No idea
- Using it in a formal context where a more serious phrase is needed.
- Confusing it with 'no clue', which has a similar meaning.
No idea appears in
No idea in other languages
- Arabicالعربية
ما عندي فكرة
ما أعرف أو ما أفهم
- Bengaliবাংলা
কিছু জানি না
আমি জানি না বা বুঝি না
- GermanDeutsch
Keine Ahnung
Ich weiß oder verstehe es nicht.
- SpanishEspañol
Ni idea
No sé o no entiendo
- Persianفارسی
نمیدونم
نمیدانم یا نمیفهمم
- FrenchFrançais
Aucune idée
Je ne sais pas ou je ne comprends pas
- Hindiहिन्दी
कोई अंदाज़ा नहीं
मुझे नहीं पता या समझ नहीं आ रहा
- ItalianItaliano
Non ho idea
Non so o non capisco
- PortuguesePortuguês
Não faço ideia
Não sei ou não entendo
- RussianРусский
Без понятия
Я не знаю или не понимаю.
- Urduاردو
کوئی اندازہ نہیں
مجھے نہیں معلوم یا سمجھ نہیں آرہی
- Chinese中文
不知道
我不知道或不明白
More chunks like No idea
- Oh my god
An exclamation of surprise, shock, or amazement.
- Oh, god!
An expression of deep emotion, often used in surprise or frustration.
- Think, think, think
To have a particular opinion or belief about something.
- Gosh
An exclamation used to express surprise or wonder.
- Come on
A phrase used to urge or motivate someone.
- My name is
A phrase used to introduce yourself by stating your name.
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Frequently asked questions about No idea
What does No idea mean?
I don't know or understand
What is the definition of No idea?
A phrase used to express lack of knowledge about something.
How do you use No idea in a sentence?
I have no idea where my keys are.
Can you give another example of No idea?
She asked me about the project, and I had no idea.
What are synonyms for No idea?
Common alternatives include not sure, uncertain, no clue, dunno.
What is the opposite of No idea?
Opposite meanings include have a clue, know, be certain, understand.
What words go with No idea?
It commonly pairs with have no idea, give no idea, no idea what's going on.
What are common mistakes when using No idea?
Using it in a formal context where a more serious phrase is needed. Confusing it with 'no clue', which has a similar meaning.
How do you pronounce No idea?
US: //noʊ aɪˈdiə//, UK: //nəʊ aɪˈdɪə//. Listen to the audio above to hear native pronunciation.
Is No idea formal or informal?
"No idea" is informal, so it fits casual conversation with friends and family.
When should I use No idea?
Use in casual conversations when you have no knowledge of something. Avoid in formal situations.














