| TUESDAY | Time for a complex duet, say (7) |
| ETUDE | Study complex duet on 4th of December (5) |
| BLUERIBBONJURY | Panel for a complex legal case |
| ATANGLEDWEB | Name for a complex situation, coined by Walter Scott in his epic poem Marmion |
| RETINA | Word, from "net", for a complex light-sensitive neural "network" acting as an oculus's "inner screen" (6) |
| PARIAL | Piano student tackling song belonging to a duet, say (6) |
| UNSTEADY | Irregular end to hymn accepted by reformed duet, say (8) |
| TUESDAYS | Certain times for refining duets, say (8) |
| EDIFICE | Word for a large or imposing building, thus a complex organisation or elaborate system of beliefs (7) |
| ELECTRA | It takes a complex character to vote for the Sun (7) |
| OEDIPAL | Like a complex dictionary, cheap at a pound? |
| OEDIPUS | Tragic king of Thebes (with a complex) (7) |
| GNOCCHI | Dropping a complex coaching course of Italian (7) |
| NUCLEIC | ____ acid, a complex organic substance present in living cells (7) |
| LASCAUX | Site of a complex of caves in Dordogne, France, containing Palaeolithic wall drawings and paintings (7) |
| HOTSEAT | Head Office test a complex and tricky position (3,4) |
| TANGLED | A complex dynasty got to the front |
| RESOLVE | Figure out, as a complex issue |
| LAYERED | Like a complex performance |
| GIRAFFE | A complex circulatory system and 10kg heart enables the flow of blood against gravity to this Africa |