Definition of "fixate"

fixate

verb
third-person singular simple present fixates, present participle fixating, simple past and past participle fixated
1. (transitive) To make something fixed and stable; to fix.
2. To stare fixedly at something.
3. (intransitive) To attend to something to the exclusion of all others; used with on.
  Quotations
  He needed something to fixate on now that the repainting was done.
  2020, Akwaeke Emezi, The Death of Vivek Oji, Faber & Faber Ltd, page 202
4. (intransitive, psychology) To attach oneself to a person or thing in a pathological or neurotic manner; used with on.