"Wert frank" is a phrase that can be used to describe someone who is honest and straightforward in their dealings. Synonyms for this phrase could include "truthful," "candid," "forthright," "direct," "sincere," "transparent," "genuine," "straightforward," "unambiguous," and "unreserved." These words all carry similar connotations to "wert frank" and can be used interchangeably to describe someone with a reputation for honesty and sincerity. Whether you are describing a person's character, actions, or words, using any of these synonyms will help convey the idea that they are trustworthy and can be relied upon to always tell the truth.