Awe means a feeling of wonder or admiration, so antonyms for "was awestruck" might include feelings of boredom, disinterest, or even contempt. Some specific antonyms could include "was unamazed," "was indifferent," "was bored," "was unimpressed," "was unaffected," "was disdainful," or "was contemptuous." These antonyms suggest a lack of interest, appreciation, or admiration for the subject at hand. While feeling awestruck is often a positive experience, these antonyms suggest a more negative or neutral reaction to the same stimulus.