stodgy

heavy and starchy and hard to digest; "stodgy food"; "a stodgy pudding served up when everyone was already full"

(used pejoratively) out of fashion; old fashioned; "moss-grown ideas about family life"

excessively conventional and unimaginative and hence dull; "why is the middle class so stodgy, so utterly without a sense of humor?"; "a stodgy dinner party"