Like rebellious young men of yester year? (5)

I believe the answer is:

angry

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'like' is the definition.
Both the answer and definition are adjectives. Maybe they are linked in a way I don't understand?

I don't understand how the remainder of the clue works.

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(Other definitions for angry that I've seen before include "Irate, mad" , "Vexed" , "Upset" , "Furious" , "Inflamed" .)

I've seen this clue in the Evening Standard.

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