Poor Gerald looked angry (6)

I believe the answer is:

glared

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'looked angry' is the definition.
I can't judge whether this defines the answer.

'poor gerald' is the wordplay.
'poor' indicates an anagram.
'gerald' is an anagram of 'GLARED'.

Can you help me to learn more?

(Other definitions for glared that I've seen before include "Looked angrily" , "Glowered" , "Stared fiercely" , "Was too bright" , "Lowered" .)

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