Guardian Prize

[xanthoma]

Guardian prize Sat. 22 June. Completely stuck on last three.

24 a. Greek character.... UTOPIAN? But why?
15 d. Have have no idea........ and
20 d. Total despair on my part.
Thanks in advance for any answers.

[Calibax]

Clues?

[Lie-in King]

Hi xanthoma - it's always nice to post the full clues so that people without the puzzle can more readily help :-)

24a Greek character for all to see left working alongside another? (7)
15d Dreamboat with cross to bear, gone less delusional (3,2,4)
20d Happy it's inferred to hold information - not mentioned (6)

[kettledrum]

How about giving us the clues?

[Mamyalynne]

24 Upsilon

15 Sex on legs

20 Unsaid

[Mamyalynne]

U(niversal) Psi L(eft) on

gone less 'X' anag

Unsad round I(nformation)