- (transitive) To make something fixed and stable; to fix.
- To stare fixedly at something.
- (intransitive) To attend to something to the exclusion of all others; used with on.
- (intransitive, psychology) To attach oneself to a person or thing in a pathological or neurotic manner; used with on.
to make something fixed
to stare fixedly
to attend to the exclusion of others
psychology: to attach oneself to a person