What’s another word to say “I didn’t know what to do”

5 answers

You could say "I was uncertain about how to proceed."

No like one word to describe it

A suitable word could be "perplexed."

Can I say “I was perplexed” or is it bad grammar

Yes, you can say "I was perplexed," and it is correct grammar. It effectively conveys that you were confused or unsure about what to do.