rational
UK/'ræʃәnl/US
IELTSTOEFLGREB1
Definitions
adj.
Based on reason and logic rather than emotion.
理性的，理智的。
adj.
Able to think clearly and sensibly.
有理智的，神志清醒的。
Root Breakdown
Root-derivedFrom Latin ratiōnālis ('endowed with reason'), from ratiō ('reason'). rational + -al = 'governed by reason.' It keeps the Latin form intact and stays on the 'reasoning' (not 'counting') side of the family: a rational decision is one logic, not feeling, drove.
Root rat_reckon still carries 13 more wordsCommon Collocations
- 1.rational thinking理性思维
- 2.rational decision理性决策
- 3.rational explanation合理解释
- 4.perfectly rational完全合理的
Example Sentences
- 1.
Try to make a rational decision, not an emotional one.
- 2.
There must be a rational explanation for the noise.
- 3.
Humans are often described as rational animals.
Synonym Comparison
- rational — driven by logic, not emotion
- logical — following correctly from premises
- sensible — practical and showing good judgment
- reasonable — fair and moderate
- coherent — internally consistent, hanging together