Secretiveness

1. (n.) The quality of being secretive; disposition or tendency to conceal.

2. (n.) The faculty or propensity which impels to reserve, secrecy, or concealment.

Thesaurus Entries

arse, ass, backside, beam, behind, bottom, breech, bum, butt, can, cheeks, croup, crupper, derriere, duff, fanny, fundament, haunches, heinie, hind end, hinder, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, secretiveness, stem, tail, tail end, tuchis, tush, tushy