1. most honest and direct in speech or writing; most open and sincere
Usage: superlative form of ‘frank’

Examples

• She gave the frankest assessment of the company’s problems.
• His frankest admission was that he had made serious mistakes.
• The frankest response came from the youngest member of the group.
• In her frankest moments, she revealed her true feelings.
• The interview contained his frankest comments about the controversy.
• This was the frankest discussion we had ever had about money.