irrational
/ɪˈræʃənl/adjective
उच्चारण इरैशनल
तर्कहीन, अविवेकपूर्ण
Core wordPYP · asked 11 times
Asked in previous papers
as one-word substitution
+6 more
SSC CHSL Pre 2022SSC CHSL Pre 2021SSC CHSL Pre 2020SSC MTS 2022SSC MTS 2019SSC Exams before 2018- 1
not based on reason or clear thinking
तर्कहीन, अविवेकपूर्ण
- an irrational fear of lizards
- It is irrational to blame yourself for the weather.
- Radhika has an irrational fear of dogs.
+ 2 more examples
- His anger was irrational and did not help anyone.
- It is irrational to expect good results without effort.
Synonyms illogical unreasonable absurd
§Structures (grammar patterns) 5
irrational + noun
Irrational describes a thought, fear or action not based on reason. Common in psychology and in maths.
'Irrational' उस विचार, भय या कार्य का वर्णन करता है जो तर्क पर आधारित न हो। यह मनोविज्ञान और गणित में आम है।
- She has an irrational fear of lizards.
- It is irrational to panic before every test.
it is irrational (of sb) to-infinitive
To judge the person, use of; for a general statement use to + verb alone.
व्यक्ति पर टिप्पणी के लिए 'of' आता है; सामान्य कथन के लिए केवल to + verb।
- It was irrational of him to expect a reply.
irrational number
In mathematics, an irrational number cannot be written as a fraction, such as the square root of 2.
गणित में अपरिमेय संख्या को भिन्न के रूप में नहीं लिखा जा सकता, जैसे 2 का वर्गमूल।
- Pi is an irrational number.
irrationally (adverb) / irrationality
The adverb is irrationally, and the noun is irrationality.
Adverb 'irrationally' है और noun 'irrationality' है।
- He reacted irrationally to the small delay.
irrational vs unreasonable
Irrational means against logic; unreasonable means not fair or sensible. Pick the one that matches the fault.
'Irrational' का अर्थ तर्क के विरुद्ध है; 'unreasonable' का अर्थ अनुचित या अविवेकपूर्ण है। दोष के अनुसार शब्द चुनें।
- The boss made an unreasonable demand for extra hours.
+Collocations 4
irrational + noun
fearbehaviourbeliefdecisionangernumber
- His irrational anger surprised his classmates.
adverb + irrational
completelytotallyperfectlysomewhatwildly
- Her suspicion was completely irrational.
verb + irrational
seemsoundbecomeactprove
- Such a demand sounds irrational in a time of crisis.
irrational + noun (more)
panicprejudiceexuberancehatred
- Irrational panic spread after the rumour.
“More examples 6
- Some people have an irrational dislike of the number thirteen.
कुछ लोगों को तेरह संख्या से अकारण नापसंदगी होती है।
- The shopkeeper's irrational pricing drove customers away.
दुकानदार की अतार्किक कीमतों ने ग्राहकों को दूर कर दिया।
- Under pressure, even calm people can behave irrationally.
दबाव में शांत लोग भी अतार्किक व्यवहार कर सकते हैं।
- The square root of 3 is an irrational number.
3 का वर्गमूल एक अपरिमेय संख्या है।
- Radhika's fear of the dark seems irrational even to her.
राधिका को अपना अँधेरे का भय स्वयं भी अतार्किक लगता है।
- Investors made irrational choices when the market panicked.
जब बाज़ार में घबराहट फैली, तब निवेशकों ने अतार्किक निर्णय लिए।
!Common mistakes 3
✗ His fear is irrational than mine.
✓ His fear is more irrational than mine.
For comparison, irrational takes more; than needs a comparative form.
तुलना में 'irrational' के साथ more आता है; than के लिए comparative रूप चाहिए।
✗ She acted irrational during the interview.
✓ She acted irrationally during the interview.
Acted describes an action, so an adverb is needed.
'Acted' क्रिया है, इसलिए adverb चाहिए।
✗ It is irrational for him to blame his mistake on others.
✓ It is irrational of him to blame his mistake on others.
When you judge a person's behaviour, use of him rather than for him.
जब व्यक्ति के व्यवहार पर टिप्पणी हो, तब 'for him' नहीं, 'of him' आता है।
◇Word family
≈Synonyms and antonyms
✓In the exam
One-word substitution
That which is not based on reason.
'जो तर्क पर आधारित न हो' के लिए यह शब्द आता है।
Notes
In maths, an irrational number (like root two) cannot be written as a simple fraction.
गणित में irrational number (जैसे root two) को सरल भिन्न में नहीं लिखा जा सकता।