There are several synonyms for the phrase "was straight". Some alternatives include the phrases "was honest," "was forthright," "was direct," and "was candid." Other options include "was unequivocal," "was unambiguous," "was clear-cut," and "was decisive." Each of these phrases has a slightly different connotation, but they all suggest that someone was speaking or acting honestly and authentically. They can be used to describe someone's communication style, their behavior, or even their sexual orientation. Overall, using different synonyms for "was straight" can help add variety and nuance to your writing.