The act or process of complicating.
A person who doesn't fit in with the main scheme of things; an interloper.
The state of being complicated; intricate or confused relation of parts; complexity.
A feature beyond basic time display in a timepiece.
A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it.
A difficulty that has to be resolved or dealt with.
A puzzling circumstance.
A set of moves required to complete a climb.
A question to be answered, schoolwork exercise.
Objection.
Difficulty in accepting or understanding or refusal to accept or understand.
Causing a problem; problematic; troublesome.
Difficult to train or guide; unruly.