Across
Fibre in hummus is a legume (5)
I’m high and far from dry (9)
I haven't cracked this one yet — but Fifteensquared have:
Cryptic (?) definition – reference to the expression ‘high and dry’
Agitator: Rep. apathetic but – what did you say? (9)
I haven't cracked this one yet — but Fifteensquared have:
I can’t make anything at all of this, I’m afraid – please see comments 2 and 3: thanks to Hadrian and Wayne
Toni’s absent, a simpleton, daft sap you’ll find here (5)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (daft) of A [si]MPLE[ton] minus TONIS
One fellow with beer admitted to weight that keeps going up in Africa (11)
I haven't cracked this one yet — but Fifteensquared have:
I MAN (one fellow) + JAR (beer) in KILO (weight)
Finally see the squirrel fish (3)
Trim small trees (7)
Abandoned – somewhat absurd – is U.S. education (7)
Like one favouring Harriers or their namesake (7)
See 27
French word for ‘test’ (3)
Bleeding menaces causing a flap (7,4)
I haven't cracked this one yet — but Fifteensquared have:
I don’t understand this at all
Concerning number of roach trails identified at intervals (5)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters of r O a C h T r A i L s
Draw some of sun’s heat twice (9)
17d
Aspiring to level of Tom, Jade and Quincy? (7,2,4,3,7)
Wear that’s loud and massive (5)
I haven't cracked this one yet — but Fifteensquared have:
I’m not sure about this: ‘loud’ often indicates a homophone and GREAT sounds like ‘grate’, which can mean ‘wear’: Collins has ‘scrape’ for both of these words
Down
On reflection ultimately calamitous, U.K. to consume excessively American puzzles (7)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (on reflection) of [calamitou]S U K + OD (overdose – consume excessively) + US
Less complicated to act coy around 50 (7)
I haven't cracked this one yet — but Fifteensquared have:
SIMPER (act coy) round L (fifty)
Pin on (3)
Temporary authorities on the subject of convenience (7)
Country where you might find High Dudgeon and Greater Wrath? (7)
I haven't cracked this one yet — but Fifteensquared have:
High Dudgeon and Greater Wrath are synonyms for IRE and could conceivably be place names, like Little Snoring and Lower Slaughter , for instance
e.g. making good use of the things that you find? (6,5)
Classical musician: entreat hospital for returning … (7)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (returning) of SUE (entreat) + H (hospital) + PRO (for) for the legendary musician
… fought director, toppling leader, conquered (7)
Physicist: evil liar, curt twisted manipulator (11)
Hardly professional exam? I’m lying here (7)
See 27 Across
Gammon rejected food in European city (7)
Volunteers given Japanese soup in ground (5,2)
Clever-clogs: Sting, that is (7)
I haven't cracked this one yet — but Fifteensquared have:
SMART (sting) + i.e. (that is)
Fancy – or fishy (7)
Regularly engage poacher needing this? (3)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters of E n G a G e – or so I thought, until I looked at the comments on the Guardian thread, advising the use of the ‘reveal’ button and found that the ‘correct’ answer was ERG; I can’t find any explanation of either the definition or the wordplay (Stop Press: it has now been changed to EGG)
Type letters or click words in the clue