Looking cross and conspicuous (7)
I believe the answer is:
glaring
'conspicuous' is the definition.
(thesaurus)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for glaring that I've seen before include "Shining intensely, very obvious" , "Angrily staring" , "Dazzlingly bright" , "Dazzling" , "Blatant" .)