Collocations for confused - adj.

appear, be, feel, look, seem, sound
become, get
He was beginning to get rather confused.

remain
leave sb
He left his audience thoroughly confused.

extremely, fairly, very, etc.
highly, hopelessly
a highly confused picture of a complex situation

completely, horribly, terribly, thoroughly, totally, utterly
‘Why?’ she asked, suddenly horribly confused.

increasingly
a little, slightly, etc.
mildly
‘So what is it we have to do?’ Jake asked, looking mildly confused.

clearly, obviously
Dr. Solaris turned to her, obviously confused.

genuinely
equally
He looked at his father, who looked equally confused.

momentarily
George paused, momentarily confused.

about
He was very confused about his feelings.

at
The policemen looked a little confused at her question.

by
I'm confused by the whole thing.

Confused is used with these nouns:
expression, frown, look, tangle, thought