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