reticent in Polish
reticent in Polish
dyskretny
Unwilling to communicate; keeping one's thoughts and opinions to oneself; reserved or restrained.
małomówny
Unwilling to communicate; keeping one's thoughts and opinions to oneself; reserved or restrained.
niechętny
(proscribed) Hesitant or not wanting to take some action; reluctant (usually followed by a verb in the infinitive).