Synonyms of 'trip someone up'
▷ See trip
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She was confused by this new turn of events.
If something disconcerts you, it makes you feel anxious, confused, or embarrassed.
My lack of response clearly disconcerted him.
If something unsettles you, it makes you feel rather worried or uncertain.
The presence of the two policemen unsettled her.
Thesaurus for trip someone up from the Collins English Thesaurus