The trait of being uncommunicative; not volunteering anything more than necessary.

synonyms: reserve, taciturnity.

Roget 528: concealment; hiding etc. v.; occultation, mystification.    seal of secrecy; screen etc. 530; disguise etc. 530; masquerade; masked battery; hiding place etc. 530; cryptography, steganography^†; freemasonry.    stealth, stealthiness, sneakiness; obreption^†; slyness etc. (cunning) 702.    latitancy^†, latitation^†; seclusion etc. 893; privacy, secrecy, secretness^†; incognita.    reticence; reserve; mental reserve, reservation; arriere pensee [Fr.], suppression, evasion, white lie, misprision; silence etc. (taciturnity) 585; suppression of truth etc. 544; underhand dealing; closeness, secretiveness etc. adj.; mystery.    latency etc. 526; snake in the grass; secret etc. 533; stowaway.    ... show more

Roget 585: silence, muteness, obmutescence^†; taciturnity, pauciloquy^†, costiveness^†, curtness; reserve, reticence etc. (concealment) 528.    man of few words.   

Dutch: zwijgzaamheid, gereserveerdheid, geslotenheid, reserve, terughoudendheid
Polish: milczkowatość, mrukliwość, burkliwość, mrukowatość, milkliwość, małomówność