Describes a person or manner that is straightforward and honest, without hiding thoughts or feelings. Often used for personality or communication style.
He is a very frank person and quickly gets along with anyone.
フランクに意見を言ってくれてありがとう。
Thank you for giving your opinion so candidly.
He always talks to me frankly.
She's a very frank and open person.
There are few companies where you can interact frankly with your boss.