| 单词 | alertness | 
| 释义 | (noun)  feelings of greater alertness and ability to concentrate Synonyms watchfulness vigilance  a problem that requires constant vigilance agility  He has the speed and agility to compete as a professional. wariness  Extreme wariness is the safest policy when dealing with this machinery. quickness liveliness  Some may enjoy the liveliness of such a restaurant. readiness  the warmth of his personality and the readiness of his wit circumspection attentiveness spiritedness briskness nimbleness  One needed all one's nimbleness of wit to answer their questions. perceptiveness carefulness sprightliness promptitude activeness heedfulness Additional synonymsin the sense of agility He has the speed and agility to compete as a professional. Synonyms nimbleness,  activity,  suppleness,  quickness,  swiftness,  liveliness,  briskness,  litheness,  sprightliness,  spryness in the sense of liveliness Some may enjoy the liveliness of such a restaurant. Synonyms energy,  activity,  spirit,  vitality,  animation,  dynamism,  gaiety,  brio,  quickness,  vivacity,  smartness,  briskness,  boisterousness,  sprightliness in the sense of nimbleness One needed all one's nimbleness of wit to answer their questions. Synonyms smartness,  brightness (informal),  sharpness,  alertness,  keenness,  quick-wittedness,  finesseNearby words of | 
	
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