/ ˈstɒlɪd; NAmE ˈstɑːl-/ adjective
(usually disapproving ) not showing much emotion or interest; remaining always the same and not reacting or changing
► stol·id·ly adverb
► stol·id·ity / stəˈlɪdəti; NAmE / noun [ U ]
••
WORD ORIGIN
late 16th cent.: from obsolete French stolide or Latin stolidus (perhaps related to stultus foolish).