Simple meaning
What does Alert mean?
Alert means awake, careful, and ready to notice something important.
Dictionary definition
Watching or listening carefully and ready to notice what happens.
Example sentences
Alert in a sentence
easy
The alert dog heard the doorbell first.
medium
Stay alert when crossing a busy street.
hard
The lifeguard remained alert during the crowded swim meet.
Synonyms
Words like Alert
watchfulUse when someone is carefully looking for changes.
awareUse when someone knows what is happening.
Antonyms
Opposite words
Word family
Alert word family
Base word
alert
adverb
alertly
In a watchful way.
noun
alertness
The state of being alert.
verb
alerted
Warned or made aware.
Related words
Explore related words
Quick practice
Try Alert
Practice 1
What does alert mean?
Alert means paying attention and ready to notice what happens.
Practice this skill
Practice vocabulary in WordHive
Use the dictionary to understand Alert, then move into short activities matched to the skills on this page.
Learning paths
- Define the Word Hive for word meanings.
- Synonym Search for word choice.
- Context Clue Challenge for sentence clues.
- Buzz Between for homophones and listening.
- Hive Builder for roots, prefixes, and suffixes.