Challenge - Crossword Clue, Answer and Explanation

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

This is all the clue.

(Other definitions for test that I've seen before include "Critical examination or trial of qualities or abilities" , "Cricket match; try" , "catch trout in it?" , "Trial - big match" , "type of examination" .)

I've seen this clue in The Guardian, The Mirror, the King Feature Syndicate, the Sydney Morning Herald, The Daily Mail, The Wall Street Journal, The Star Tribune, the Evening Standard, the Universal, The Washington Post, the Penny Press, The Telegraph, the LA Times and The Independent.

(Other definitions for snag that I've seen before include "banger down under" , "Hitch, obstacle" , "Unforeseen obstacle" , "Temporary hold-up" , "A hidden obstruction" .)

I've seen this clue in The Guardian, The Mirror, the King Feature Syndicate, the Sydney Morning Herald, The Daily Mail, The Wall Street Journal, The Star Tribune, the Evening Standard, the Universal, The Washington Post, the Penny Press, The Telegraph, the LA Times and The Independent.

'challenge' is the definition.
(I know that defy is a more specific form of challenge)

This is the entire clue.

(Other definitions for defy that I've seen before include "Disobey boldly and openly" , "Go against (authority)" , "Withstand" , "Refuse to obey (person)" , "Boldly resist (authority, etc)" .)

I've seen this clue in The Guardian, The Mirror, the King Feature Syndicate, the Sydney Morning Herald, The Daily Mail, The Wall Street Journal, The Star Tribune, the Evening Standard, the Universal, The Washington Post, the Penny Press, The Telegraph, the LA Times and The Independent.

(Other definitions for stretch that I've seen before include "time spent in jail" , "What one does in prison" , "Pull to make longer or wider" , "Make longer/wider" , "Exaggerate" .)

I've seen this clue in The Guardian, the USA Today, The Sunday Times and the Penny Press.

Challenge (4)