Etymology
Advertisement
indecision (n.)
1735, from in- (1) "not, opposite of, without" + decision. Perhaps from or modeled on French indécision (17c.), which Cotgrave's "French and English Dictionary" (1673) translates with An undecision.
Related entries & more 
Advertisement
indecisive (adj.)
1726, "inconclusive," from in- (1) "not, opposite of" + decisive. Meaning "vacillating, characterized by indecision" is from 1775. Related: Indecisively; indecisiveness.
Related entries & more 
ambiguity (n.)
c. 1400, "uncertainty, doubt, indecision, hesitation," from Old French ambiguite and directly from Latin ambiguitatem (nominative ambiguitas) "double meaning, equivocalness, double sense," noun of state from ambiguus "having double meaning, doubtful" (see ambiguous). Meaning "obscurity in description" is from early 15c.
Related entries & more 
waver (v.)
late 13c., weyveren, "to show indecision," probably related to Old English wæfre "restless, wavering," from Proto-Germanic *wæbraz (source also of Middle High German wabern "to waver," Old Norse vafra "to hover about"), a frequentative form from the root of wave (v.). Related: Wavered; wavering.
Related entries & more