There are various synonyms for the phrase "look surprised" that can be used to add a variety of expressions to your writing or speech. Some of the synonyms for "look surprised" include appear amazed, seem astonished, seem startled, look taken aback, look shocked, look dumbfounded, and look flabbergasted. These synonyms offer a chance to add depth to your work and help to maintain the reader or listener's engagement. While they may be similar in meaning, they each possess unique nuances that can subtly change the tone of the dialogue or description and evoke a different emotional response from the readership.