abashed is the word which means the same as embarrassed. So it is the synonym of embarrassed.
embarrassed
Diffident, awkward, embarrassed.
principal
Synonyms of the word flustered can be: (but aren't limited to) irritated, frustrated, agitated, embarrassed, discomposed, perplexed, rattled, hassle, confused.
Those are antonyms.
Embarrassed
embarrassed
Shy and embarrassed.
It's "Embarrassed" .
withdrawal, embarrassed, ashamed
Mortified. Ashamed. Compromised. Guiltily offended. Humbled.
Diffident, awkward, embarrassed.
socialization
following
Following
principal
Politeness