incertus

Etymology
From.

Adjective

 * 1) uncertain, doubtful, not sure, unsure
 * pater semper incertus est &mdash; the father is always uncertain
 * incertam securim &mdash; an axe not surely aimed
 * 1) not knowing, doubting (said of persons)
 * 2) not known, obscure (said of things)
 * 3) hesitant, hesitating, irresolute, undecided
 * 1) not knowing, doubting (said of persons)
 * 2) not known, obscure (said of things)
 * 3) hesitant, hesitating, irresolute, undecided

Noun

 * 1) uncertainty