Alert (5)
'alert' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for aware that I've seen before include "Cognizant" , "Acquainted with or conscious of" , "Conscious or having knowledge of" , "Having knowledge (of fact)" , "Having knowledge of, informed" .)
'alert' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for agile that I've seen before include "athletic" , "Able to move nimbly" , "Mentally acute" , "Nimble, lithe" , "Moving quickly and easily" .)
(Other definitions for alarm that I've seen before include "Wake-up call?" , "Panicky concern" , "Scare or worry" , "Warning sound/device" , "State of (sudden) fear" .)
(Other definitions for awake that I've seen before include "Completely conscious" , "Rouse; vigilant" , "Patriotic song 'The West's .....'" , "Alive and alert" , "Conscious and (usually) open-eyed" .)
(Other definitions for email that I've seen before include "Messages between computer terminals" , "Electronic message" , "Send one online" , "Messages via the internet" , "Internet-borne communication" .)
'alert' is the definition.
(on the ball can mean alert or paying attention)
This is the entire clue.
(Other definitions for on the ball that I've seen before include "Informally alert or competent, like good soccer player" , "like a balancing seal?" , "Alert and focused as soccer player should be" , "Ready to take initiative" , "Alert - informed" .)
'alert' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for on ones toes that I've seen before include "ready" , "Alert; where the interfering tread" .)
'alert' is the definition.
(thesaurus)
This is all the clue.
(Another definition for responsive that I've seen is " quick to react".)
'alert' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for warn that I've seen before include "Notify of potential risk" , "Alert" , "Tip off" , "Give advance notice to" , "Advise" .)
(Other definitions for ball that I've seen before include "Social function for dancing" , "Sphere; function" , "Round object - dance" , "Old song: 'After the .... was over'" , "Spherical plaything" .)