Across
Score four times? That's massive after conceding header (6)
I haven't cracked this one yet — but Times for the Times have:
wEIGHTY (massive) after deleting (losing) the first letter (header).
Did nettle coming back knock out rose beds? (8)
I haven't cracked this one yet — but Times for the Times have:
KO (knock out) reversed (coming back), which PROVED (rose) contains (beds).
Provides resistance to current mumsiness, most of it misguided (9)
Republican online address entertains advanced country (5)
I haven't cracked this one yet — but Times for the Times have:
R (republican) + URL (online address) containing (entertains) A (advanced).
During terrorist's case, famous youthful Swiss guards blurted out solution to crime problem (3,6,3,2)
I haven't cracked this one yet — but Times for the Times have:
inside (during) the outermost letters from (…’s case) TerrorisT, all of HEIDI (famous youthful Swiss) containing (guards) an anagram of (out) BLURTED. T[HE(BLURTED)*IDI]T
School's head of history leaving bit of fruit (5)
Bones of old Asians found in separate cases of yours truly (9)
Record half-hearted trick breaking lost pen (9)
I haven't cracked this one yet — but Times for the Times have:
EP (record) and FOoL (trick) missing half of its middle letters (half-heartedly), all contained by (breaking) SHED (lost).
Semiaquatic animal in pond – half in, half out (5)
NZ lamb dish rats desecrated is wasted (6,3,5)
Jezebel owns houses in hell (5)
One may be refreshed by this novel read twice (4,5)
Go before daughter's introduced to stunted soldier killer? (8)
Pawn telly, primarily as substitute for money-grubber's credit (6)
I haven't cracked this one yet — but Times for the Times have:
replace the ‘cr’ (credit) in ScrOOGE (money-grubber) for the first letter of (primarily) Telly.
Down
Correspondent's piece is occupying alien (10)
I haven't cracked this one yet — but Times for the Times have:
PISTOL (piece) + IS, all contained by (occupying) ET (alien).
Not much hope, with both sides missing shot that shouldn't be missed (5)
I haven't cracked this one yet — but Times for the Times have:
GlIMMEr (not much hope) with ‘l’ and ‘r’ (both sides) deleted (missing).
Principles of theology ordinands now definitely do in monastery (7)
Being up somewhat scares Ireland following comeback (5)
Ref's assistant and perfect nuisance (7)
What may control shock of drink and huge rent (9)
Cook wings of low-fat turkey (4)
"Hey you, love" conveys much of earnest serenade (1,4,3)
I haven't cracked this one yet — but Times for the Times have:
OI (hey you) and O (love) containing (conveys) most of SOLOMn (earnest).
Sail around lake collecting démodé trinkets (10)
I haven't cracked this one yet — but Times for the Times have:
JIB (sail) reversed (around) and ERIE (lake), containing (collecting) OUT (démodé).
Wheels of French cheese with milk recounted (9)
Extremely thrilled to consume very intimate set meal? (2,6)
I haven't cracked this one yet — but Times for the Times have:
outermost letters from (extremely) ThrilleD containing V (very), then INNER (intimate).
Pressure washed bananas scoffed (7)
Saga produced by this simpleton? (7)
I haven't cracked this one yet — but Times for the Times have:
reverse cryptic, half of sagacity (wit).
Way to protect people in financial difficulties (5)
Barney Rubble's beginning to avoid mounting carnivores (3-2)
Brother's boss rejects Genesis etc being supported by American group (4)
Type letters or click words in the clue