| SPECIALISE | Become an authority on a Spice Isle, perhaps (10) |
| GRENADA | Caribbean nation a.k.a. "Spice Isle" |
| CLASSICSSCHOLAR | An authority on a number of flat races, presumably, in 9 across and most of those in 25 across (8,7) |
| DASH | Mrs. on a spice rack |
| SOS | Message from a desert isle, perhaps |
| IDEALISE | Have unrealistic picture of one almost moribund isle, perhaps |
| TRIP | Journey to the Western Isles, perhaps, is no end of nonsense |
| BISHOPRIC | See Argyll and the Isles perhaps (9) |
| HERALD | Medieval messenger or officer of arms; an authority on armorial bearings; or, something such as the call of a cuckoo, considered a harbinger of spring, for example (6) |
| KNOWONESONIONS | Be an authority on tear-jerkers on soon? One winks, mischievously |
| IMAM | Prayer leader in a mosque, an authority on Islamic theology and law (4) |
| PETITIONER | One who submits a formal request to an authority (10) |
| SCARNE | Writer John who was an authority on cards |
| THESAURUS | Sign accepting he's an authority on words (9) |
| DELILAH | Was she an authority on the strength of locks? (7) |
| CRIMINOLOGIST | An authority on how people went wrong (13) |
| FATWWA | Legal opinion issued by an authority on Islamic law |
| CORSAGE | Heavens! An authority on flowers! (7) |
| ROYHUDD | English comedian, an authority on the history of music hall entertainment (3,4) |
| JOHN | And 15ac Scottish actor known as an authority on Robert Burns (4,7) |
