J'étais ennuyé lorsqu'il s'est adressé à moi.

English Translation

I was embarrassed when he talked to me.

SYNONYMS
ennuyer ​​​ verbe transitif
in the sense of gêner
gêner, agacer, déplaire à, déranger, embarrasser , empoisonner, énerver
Link to source LeRobert below.

So “ennuyer“ and “embarrasser“ are synonyms in the sense of “gêner“ = bother, but not in the sense of embarrass. I don’t find where ennuyer means embarrass. Wonder if anyone else has heard of ennuyer meaning embarrass? Thanks in advance.

Source: ennuyer - Synonyms and Antonyms in French | Le Robert Online Thesaurus