1. marked by or capable of arousing controversy
; - Example: "the issue of the death penalty is highly controversial"- Example: "Rushdie's controversial book"- Example: "a controversial decision on affirmative action"
The Collaborative International Dictionary of English v.0.48:
Controversial \Con`tro*ver"sial\, a. [Cf. LL. controversialis.]
Relating to, or consisting of, controversy; disputatious;
polemical; as, controversial divinity.
Whole libraries of controversial books. --Macaulay.
Moby Thesaurus II by Grady Ward, 1.0:
51 Moby Thesaurus words for "controversial":
arguable, argumental, argumentative, at issue, belligerent,
cat-and-dog, cat-and-doggish, combative, confutable, conjectural,
contentious, contestable, controvertible, debatable, deniable,
dialectic, disputable, disputatious, doubtable, doubtful, dubious,
dubitable, eristic, factious, iffy, ill-humored, in dispute,
in doubt, in dubio, in question, litigious, logomachic, mistakable,
moot, open to doubt, open to question, pilpulistic, polemic,
polemical, pro and con, problematic, provocative, quarrelsome,
questionable, refutable, scrappy, speculative, suppositional,
suspect, suspicious, unsettled