alert

alert

形容词比较级：more alert

形容词最高级：most alert

名词复数：alerts

过去式：alerted

过去分词：alerted

现在进行时：alerting

词形变化：

动词过去式: alerted | 动词过去分词: alerted | 动词现在分词: alerting | 动词第三人称单数: alerts |

同义词：

watchful | attentive | signal | warn | alarm | prepared | lively | aware | on your toes | on guard | ready | nimble | forewarn | notify | tell | prompt | inform | warning | siren | red alert | awake | vigilant | quick | alive | bright | brilliant | cautious | smart | fresh | job | circumspect | caution | clever | sharp | threaten | agile | on the job | on | the | torpid | wide awake | on one's toes | dull | slow | one's | wide | toes | intelligent | snappy | qui vive | rattling | merry | warning signal | alerting | spanking | brisk | zippy | alarum |

反义词：

unalert |

词义辨析：

同义:

a.警觉的; 机敏的

watchful  prompt  nimble  lively  ready  attentive  awake  vigilant  quick  clear-witted  wide awake  on the job  on one's toes  

同义参见:

cautious  smart  caution  warn  sharp  brilliant  signal  alive  bright  threaten  clever  fresh  agile  signal  circumspect  

反义:

a.警觉的; 机警的, 机敏的; 灵活的

heedless  asleep  sluggish  slow  dull  torpid  supine  languid  listless  lethargic  

反义参见:

drowsy