1. lacking in consistency, constancy, or visible order, disconnected; fitful: desultory conversation.
2. digressing from or unconnected with the main subject; random: a desultory remark.
Wordsmith Wednesdays made-up example sentence:
I’m often disappointed by so-called horror movies, watching them only to discover desultory storylines and very few genuine scares.
View this word on Dictionary.com for pronunciation and additional definitions.