Keen - Crossword Clue, Answer and Explanation

'keen' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for eager that I've seen before include "Alert and active type?" , "Enthusiastic, avid" , "Excited by desire" , "It's a bore" , "Earnest" .)

I've seen this clue in the Penny Press, the Evening Standard, The Guardian, The Mirror, The New York Times, the King Feature Syndicate, The Independent, The Telegraph, the Sydney Morning Herald and The Irish Independent.

'keen' is the definition.
(I know that keen can be written as acute)

This is the entire clue.

(Other definitions for acute that I've seen before include "Shrewd; severe" , "Urgently pressing" , "Extremely sharp or intense" , "feature at the beginning and end of a French summer" , "Sharp as of mind - or pain" .)

I've seen this clue in the Penny Press, the Evening Standard, The Guardian, The Mirror, The New York Times, the King Feature Syndicate, The Independent, The Telegraph, the Sydney Morning Herald and The Irish Independent.

'keen' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for avid that I've seen before include "Keen and eager" , "'Eager, zealous (4)'" , "Greatly desirous" , "Showing active interest and enthusiasm" , "Keenly interested" .)

I've seen this clue in the Evening Standard, The Sun, The New York Times, the King Feature Syndicate, The Independent and The Telegraph.

'keen' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for agog that I've seen before include "with eyes on stalks" , "Excitedly interested" , "Bug-eyed" , "Expecting" , "Eager and wide-eyed" .)

I've seen this clue in the Evening Standard, The Sun, The New York Times, the King Feature Syndicate, The Independent and The Telegraph.

'keen' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for ardent that I've seen before include "Burning with emotion" , "Very keen" , "Enthusiastic, eager" , "passion" , "Intensely enthusiastic" .)

I've seen this clue in the Penny Press, the Evening Standard, the Universal, The New York Times and the Sydney Morning Herald.

'keen' is the definition.
(thesaurus)

This is all the clue.

(Other definitions for red-hot that I've seen before include "The rod (anag.)" , "Glowing with a high temperature" , "(Of information) very recently received" , "Flower (just out of the fire?)" , "Glowing; passionate" .)

I've seen this clue in the Evening Standard.

Keen (5)