irrational
/ɪˈræʃənl/
ir · ra · tion · al
/ɪ · ˈræ · ʃən · l/
English Definition
adj. not based on reason or logic
Significado en Español
irracional
Nghĩa Tiếng Việt
phi lý, vô lý
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Memory Aid / 记忆技巧
ir(not)+rational(rational)→ irrational, unreasonable.
Know this word? Mark it mastered, or move on.
Practice — Synonym (ISEE Verbal)
Choose the synonym of “irrational” in the following sentence: His worries about the plane crashing were completely ______.
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A
practical
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B
illogical
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C
essential
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D
reasonable
Show answer
B — illogical.
“irrational” means adj. not based on reason or logic
Common questions about “irrational”
What does “irrational” mean?
irrational — adj. not based on reason or logic. In Chinese: 不理性的.
How do you pronounce “irrational”?
irrational is pronounced /ɪˈræʃənl/. It breaks into 4 syllables: ir · ra · tion · al.
Is “irrational” an ISEE Upper-level word?
Yes. irrational appears on the iSEE Vocab Upper list, which covers 804 words for the ISEE and SSAT.
How can I remember “irrational”?
ir(not)+rational(rational)→ irrational, unreasonable.
