Across
16d
Naked legendary healer? (8,6)
See 1
Associations in genealogies including king but not first of emperors (8)
I haven't cracked this one yet — but Fifteensquared have:
LIN-[ e ]-AGES=”genealogies”, with K (king) in place of ‘ e ‘=”first of e mperors”
Boxed and now run vigorously (6)
I haven't cracked this one yet — but Fifteensquared have:
for definition, “Boxed” describing an item [of clothing] still in its original packaging and therefore unused anagram/”vigorously” of (now run)*
Personal assistant’s retiring, husband is Celtic (5)
I haven't cracked this one yet — but Fifteensquared have:
SIRI=Apple’s digital personal assistant [wiki] reversed/”retiring”; plus H (husband)
Mother briefly has ex-PM as teacher (9)
Send for 8 players found here (7-5)
Selfishly pollute Galileo’s city (12)
I haven't cracked this one yet — but Fifteensquared have:
anagram/”pollute” of (Galileo’s city)*
The French abandoned uncle, sent to the gallows in uniform (9)
Fit of pique unseemly (5)
Where to store fat and King Edward (6)
New German number 3 intercepting a tiny bit (8)
27a
Mini horseshoes for mules? (6,8)
See 26
Down
European country inn remains mostly welcoming after Asian food cancelled originally (6,8)
What chief detective did is bad (6)
They show up fancy muscles (9)
Free union (4,8)
Master’s depression, missing daughter (5)
I haven't cracked this one yet — but Fifteensquared have:
[d]-OWNER=”depression”, without ‘d’ for “daughter”
Old solver meets saint with cardinal (8)
I haven't cracked this one yet — but Fifteensquared have:
definition: a “cardinal” number (not an ordinal number) THOU=”Old” word for ‘you’, the “solver”; plus S (saint) + AND=”with”
20d
One prison club’s changed peculiar cutlery (8,6)
Expression of delight to get trade bargain (5,3,4)
F for fag (6,3)
See 1
Ford, for the third time, nearly upset witch (8)
I haven't cracked this one yet — but Fifteensquared have:
“nearly” all letters of RE RE CROS-[s], all reversed/”upset” “Ford” can mean to ‘cross’ a river, so ‘re-cross’ would be to ‘ford for the second time’, with ‘re-re-cross’ for the third time
Anger after Greek character shown to be sexy (6)
See 8
Ridge found in 26 erasable when turned over (5)
I haven't cracked this one yet — but Fifteensquared have:
definition: a narrow ridge between two mountain valleys hidden reversed in (“found in… when turned over”): [CARP]-ET ERA-[sable] CARPET is the solution to 26ac
Type letters or click words in the clue