My word

Anagram

anagram of FORDOGGIE ("for doggie") [anagram: "dish"] = GOODGRIEF; definition: "My word"

Deletion

C[lose] R[un] E[lection] + A.M. (which is not P.M.) — Fifteensquared

Deletion

APPOSITE* less OPT — Fifteensquared

Understand

Charade

anagram of PASTIME (synonym="PASTIME") + HE (synonym="HE") = EMPATHISE; definition: "Understand"

Staff

Anagram

Final letters of agreeD tO diffeR, reversed, though “up” can’t accurately indicate this in an across clue (I suppose it could be as in “road up”, meaning disturbed, and so an anagram) — Fifteensquared

Charade

anagram of SE (synonym="compass point") + LIFE (synonym="LIFE") + STICK (synonym="support") = SELFIESTICK

Excuse

Charade

CON (synonym of "party's") + DONE (synonym of "over"); definition: "Excuse"

ground

Charade

HABIT (synonym="regular occurrence") + AT (synonym="AT") = HABITAT; definition: "one's home ground"

Used to 6 down

Anagram

PLACES* + L[isted] — Fifteensquared

Deletion

(MAASTRICHT TREATY)* less CHEMISTRY — Fifteensquared

new generation

Anagram

anagram of EROTICA + PORN = PROCREATION; definition: "new generation"

Go

Acrostic

Initials of Elizabeth Barrett Browning — Fifteensquared

output of the ’80s

Charade

ACID (synonym="vitriolic") + HOUSE (synonym="of Commons") = ACIDHOUSE; definition: "output of the '80s"

Container

MB in A ER (TV Series) — Fifteensquared

CHR (listed as an abbreviation of “Christ” in Chambers, I was rather surprised to find) in the “sides” of OppositE — Fifteensquared

bloated condition

Anagram

anagram of ENDASSETS ("end with assets") [anagram: "Incredibly"] = SATEDNESS; definition: "bloated condition"

stomach

Acrostic

GAS (reverse of SAG, so “hang over”) + initial letters of To Restrain Incipient Corpulence — Fifteensquared

Urban

Charade

OP (synonym="work") + PI (synonym="private investigator") + DAN (synonym="Desperate Dan, character in The Dandy") = OPPIDAN; definition: "Urban"

cocktail

Charade

GRASS (synonym="one who betrays, or gives away") + HOPPER (synonym="a funnel, as used for moving grain etc") = GRASSHOPPER; definition: "cocktail"

Homophone

ICE (diamonds) + homophone of “blew” (squandered). Chambers gives this as hyphenated: ice-blue

Vain

Charade

O (roundabout) + PP in FISH (search) — Fifteensquared

Refuse to acknowledge

Hidden word

hidden in "public utility"

snob

Anagram

anagram of TITLEIS ("Title is") [anagram: "abused"] = ELITIST; definition: "snob"

South African animal

Container

ERK (synonym="RAF slang for an aircraftman, the lowest rank, hence “low rating”") in MEAT (synonym="MEAT") = MEERKAT; definition: "South African animal"

Inferior

Charade

SUB (synonym="SUB") + STANDARD (synonym="STANDARD") = SUBSTANDARD; definition: "Inferior"

voice

Deletion

IMPERSONATOR* less REMIT — Fifteensquared

Writer

Charade

AN (article) + OUI (French “yes”, so “foreign agreement”) + L[ose] H[eart]. Jean Anouilh , French playwright: I once played the heroine’s sister in his play Antigone at my (all-boys) school. Fortunately there are no photographs or recordings of the event. — Fifteensquared

Unions

Deletion

COLLEAGUES less COL (mountain pass) — Fifteensquared

Old

Container

AIM (synonym="AIM") in RENT (synonym="RENT") = RAIMENT; definition: "Old clothing"

Shake

M[eeting] in TREBLE — Fifteensquared

once worn out

Anagram

anagram of BASTARD ("Bastard") [anagram: "to get"] = TABARDS; definition: "once worn out"

tone

Hidden word

Part of 24 is HOUSE, which if it “loses [its] even [letters]” leaves HUE — Fifteensquared