The Guardian - Quick crossword No 15,166 - Dec 15 2018

Clues Answers
Male swan COB
Mischievous fairy HOBGOBLIN
Mythical horse/man CENTAUR
Noisy, lavish party THRASH
Physiological need to drink — resists hint (anag) THIRSTINESS
Plunder RIFLE
Projection used in a mortise joint TENON
Scottish mountain BEN
Underwater SUBMARINE
Unties LOOSENS
Wrong SIN
Young cow HEIFER
Clues Answers
Adapt to a new environment ACCLIMATISE
Alien FOREIGNER
Constellation on the celestial equator — giant hunter of Greek mythology ORION
Contestant losing by a large margin ALSORAN
Disbelief INCREDULITY
Diverse VARIED
Foul-smelling NOISOME
Grass INFORMANT
Ill will MALICE
Incantation SPELL
Intoxicating drink ALE
Likely winner FRONTRUNNER