The phrase "was loath" refers to a strong feeling of reluctance or unwillingness to do something. There are a number of synonyms that can be used to convey a similar sentiment, such as "was averse," "was disinclined," "was hesitant," "was reluctant," and "was unwilling." Each of these words imparts a different connotation; for example, "averse" indicates a strong feeling of opposition or repulsion, while "reluctant" suggests a hesitancy or reluctance to act. Overall, all of these synonyms convey a sense of resistance or opposition, and can be used interchangeably in many contexts to describe a person or situation.