[adj] characteristic or suggestive of an institution especially in being uniform or dull or unimaginative; "institutional food"
[adj] arousing no interest or attention or curiosity or excitement; "a very uninteresting account of her trip"
Synonyms
boring, deadening, dull, earthbound, ho-hum, insipid, institutional, irksome, jejune, narcotic, pedestrian, ponderous, prosaic, prosy, putdownable, slow, soporiferous, soporific, tedious, tiresome, wearisome