C2(of objects or situations) not safe or not protected: The situation is still insecure, with many of the rebels roaming the streets.Nations which are not self-sufficient in energy will face an insecure future.We've gone through a few financially insecure years.Unsafe and insecureinsecurely
/-li/adverb›The shelves were insecurely fastened and fell to the floor.Unsafe and insecure