😳 frank adjective UK /fræŋk/ US /fræŋk/ Add to word list honest, sincere, and telling the truth, even when this might be awkward or make other people uncomfortable: a full and frank discussion There followed a frank exchange of views. The magazine, which gives frank advice about sex and romance, is aimed at the teenage market. to be perfectly frank To be perfectly frank with you, I don't think she's the person for the job.