| Controversial implant | 21 |
| Controversial infielder | 23 |
| Controversial initials | 22 |
| Controversial initiation practice | 33 |
| Controversial inoculation | 25 |
| Controversial Islamic garment | 29 |
| Controversial issue | 19 |
| Controversial issue's initials | 34 |
| Controversial James Lovelock book | 33 |
| Controversial journalist Fallaci | 32 |
| Controversial Kazan | 19 |
| Controversial law enforcement tool | 34 |
| Controversial legal event of 1925 | 33 |
| Controversial letters in California, these days | 47 |
| Controversial line | 18 |
| Controversial line item | 23 |
| Controversial liver dish | 24 |
| Controversial London clothier, briefly | 38 |
| Controversial longtime critic at New York magazine | 50 |
| Controversial machine gun | 25 |
| Controversial marriage vow | 26 |
| Controversial marriage vow verb | 31 |
| Controversial marriage vow word | 31 |
| Controversial material for libraries | 36 |
| Controversial meat | 18 |
| Controversial media plan | 24 |
| Controversial medical topic | 27 |
| Controversial mentalist Geller | 30 |
| Controversial missile: Abbr. | 28 |
| Controversial name in avant-garde music and art | 47 |
| Controversial New Age program of the '70s | 45 |
| Controversial noisemakers | 25 |
| Controversial nuclear event | 27 |
| Controversial nuclear site in N.H. | 34 |
| Controversial O. J. Simpson book | 32 |
| Controversial off-roader in some parks and forests | 50 |
| Controversial oil-extraction method | 35 |
| Controversial one-act play by Mamet | 35 |
| Controversial online music service | 34 |
| Controversial orchard application | 33 |
| Controversial orchard spray | 27 |
| Controversial orchard substance | 31 |
| Controversial Oscar recipient of 1999 | 37 |
| Controversial outbursts | 23 |
| Controversial part of the Covenant of the League of Nations | 59 |
| Controversial Pearl Jam video | 29 |
| Controversial performers | 24 |
| Controversial pesticide | 23 |
| Controversial pesticide (Abbr.) | 31 |
| Controversial pesticide: abbr. | 30 |
| Controversial physicist | 23 |
| Controversial plane | 19 |
| Controversial plane, the F-___ | 30 |
| Controversial plane: Abbr. | 26 |
| Controversial planes | 20 |
| Controversial plaything | 23 |
| Controversial post-Katrina housing unit | 39 |
| Controversial power source | 26 |
| Controversial power sources | 27 |
| Controversial premiere of 1879, with "A" | 50 |
| Controversial punishment | 24 |
| Controversial radio host | 24 |
| Controversial radio host Don | 28 |
| Controversial rap producer Gotti | 32 |
| Controversial Reagan adviser | 28 |
| Controversial Reagan appointee | 30 |
| Controversial Reagan Supreme Court nominee | 42 |
| Controversial Red Bull ingredient | 33 |
| Controversial refrigerant | 25 |
| Controversial refrigeration gas | 31 |
| Controversial reproductions | 27 |
| Controversial research focus | 28 |
| Controversial ride-sharing app | 30 |
| Controversial ripener | 21 |
| Controversial rock star known for "Antichrist Superstar" | 66 |
| Controversial rocker Marilyn | 28 |
| Controversial Rose | 18 |
| Controversial ruling of 1857 | 28 |
| Controversial saucers | 21 |
| Controversial school language subject | 37 |
| Controversial school subject | 28 |
| Controversial science project | 29 |
| Controversial sexologist Alfred | 31 |
| Controversial sighting | 22 |
| Controversial Simpson case investigator/witness Mark | 52 |
| Controversial sitcom | 20 |
| Controversial slugger Barry | 27 |
| Controversial spoon-bender Geller | 33 |
| Controversial spray | 19 |
| Controversial Starbucks water brand | 35 |
| Controversial strength builders | 31 |
| Controversial Strip | 19 |
| Controversial Strip in the Middle East | 38 |
| Controversial study | 19 |
| Controversial subject | 21 |
| Controversial substance in baseball news | 40 |
| Controversial talk | 18 |
| Controversial teachings | 23 |
| Controversial teen treatment | 28 |
| Controversial tennis star | 25 |