adjective/fʁi.lø/
sensitive to the cold, psychrosensitive; tepid, lukewarm, chilly
“Son dernier roman a reçu un accueil plutôt frileux.” — His last novel received a rather chilly reception.
Inherited from Late Latin frīgorōsus, from Latin frīgus, or from a Vulgar Latin *frigidulōsus (contracted to *fridlōsus), from frigidus. Compare Romanian friguros.