Across
Smoke when discontented? Possibly smoke to become contented (6)
Church drops housing constraint at last to be sure (7)
I haven't cracked this one yet — but Fifteensquared have:
CE (abbreviation for Church of England) + RAIN (drops), containing (housing) the last letter of [constrain] T .
Perhaps his reign gets misinterpreted (9)
Youngsters support Poles (5)
Leaves your old mate on vacation (5)
Generous setter protects fruit bat (9)
Entrance the German being very determined (7)
Convert from Islam in national park? (6)
Chemical entity close to another one and one or other close to another (6)
I haven't cracked this one yet — but Fifteensquared have:
I (one in Roman numerals) + SOME (one or other = an unspecified person or thing) + last letter (close) of [anothe] R . Isomers = substances that have the same chemical formula but different arrangements of atoms (and therefore may have different physical or chemical properties).
Post Office loaned a staple (7)
I haven't cracked this one yet — but Fifteensquared have:
PO (abbreviation for Post Office) + LENT (loaned) + A . Staple = a basic foodstuff; polenta = a staple made from cornmeal and/or other grains.
Cover urinal apt to wobble (9)
Behaving as wild dog Oscar advanced (5)
I haven't cracked this one yet — but Fifteensquared have:
DINGO (wild dog), with the O (Oscar in the radio alphabet) advanced towards the front of the word.
Setter is mature in photograph? (5)
I haven't cracked this one yet — but Fifteensquared have:
I’M (the crossword setter is) + AGE (as a verb = mature = get older).
Give up art careers to provide medicine (9)
Reliant on working toilet (7)
Dictator's ostentatious walk to get packet of ketchup? (6)
I haven't cracked this one yet — but Fifteensquared have:
Sound-alike (dictator’s = spoken out loud) of SASHAY (an ostentatious walk). Definition by example: a portion-sized food package.
Down
Saw insulted Labour leader leaving (7)
I haven't cracked this one yet — but Fifteensquared have:
S [l] IGHTED (insulted), without the L which is the leading letter of L[abour].
Car chase (5)
Scoundrel joins mother in port (9)
I'm not sure Earl is after fee for outfit (7)
Boundaries ignored by most angry judges (5)
I haven't cracked this one yet — but Fifteensquared have:
[i] RATES [t] (most angry) without the outer letters (boundaries). Rate, as a verb = judge = assess the merits of.
American man and sister hiding love for employer? (9)
I haven't cracked this one yet — but Fifteensquared have:
A (abbreviation for American) + GENT (abbreviation for gentleman = man) + NUN (sister), containing O (zero = love in tennis scoring). Definition by example. In linguistics, an agent noun is a noun derived from some other word indicating an action, and means a person or thing who does that action. So from the verb “employ” we get the agent noun “employer” meaning a person who employs.
Former President is idiot donning new gear regularly (6)
I haven't cracked this one yet — but Fifteensquared have:
ASS (idiot), contained in (donning = putting on) N (abbreviation for new) + alternate letters (regularly) of [n] E [a] R . Short name for Gamal Abdel Nasser Hussein, President of Egypt in the mid 20th century.
Missing wife went on English course (6)
Watchful old bishop gets help (9)
Alarm mode activated in emotive play (9)
Degenerate put up trellis after one departs (7)
I haven't cracked this one yet — but Fifteensquared have:
ESPAL [i] ER (a trellis on which plants are trained to grow up a wall), reversed (put up = upwards in a down clue), without the I (one in Roman numerals). Degenerate = relapse = return to a previous poor state.
Sleep around and score in rugby store (6)
Increase mutagen supply (7)
When one chooses a Scottish fabric (6)
Kamikaze ritual enthrals Asian (5)
Like the Taoiseach former British PM cycles (5)
I haven't cracked this one yet — but Fifteensquared have:
RISHI (former British PM Rishi Sunak), with the letters “cycling” round so that the I is at the start. The surface is presumably intended to make us think of another former PM Boris Johnson, a frequent cyclist. Taoiseach = Irish title for the head of government, equivalent to Prime Minister.
Type letters or click words in the clue