| WINSTONCHURCHILL | Only British Prime Minister (1940, 1949) |
| WINSTON | Mr. Churchill, British prime minister 1940-45 (7) |
| CHURCHILL | Winston, British prime minister 1940-45 (9) |
| ANDREWBONARLAW | The only British Prime Minister to have been born outside the British Isles (6,5,3) |
| DISRAELI | Only British prime minister of Jewish birth |
| SPENCER | 9dn Only British Prime Minister to be assassinated (7,8) |
| PERCEVAL | Spencer ---, the only British prime minister to have been assassinated (8) |
| ADDER | Only British member of the viper family |
| OBI | Broad sash only British infantrymen originally used |
| HARVESTMOUSE | Only British mammal with prehensile tail (7,5) |
| ETON | Boys-only British school |
| VIRGINIAWADE | Only British woman to win all four tennis Majors |
| KEEGAN | Who is the only British player to have been voted European Footballer of the Year twice? (6) |
| EDWARDVIII | King for less than a year as he stepped down to marry Wallis Simpson; the only British sovereign to abdicate voluntarily (6,1,1,1,1) |
| SCOTLAND | Only British team yet to win the Six Nations rugby championship (8) |
| WADE | Retired tennis player and the only British woman to have won titles at all four Majors, Virginia _ (4) |
| SUEBARKER | Only British tennis champion in singles at Roland Garros during the open era |
| TORVILL | Jayne ---, only British woman to win a medal at the 1984 Sarajevo Winter Olympics |
| CHANNELISLANDS | Only British territory occupied by German forces during World War II (7,7) |
| PITCAIRN | ____ Islands, the only British Overseas Territory in the Pacific Ocean (8) |
