It is an adjective.
Webster’s Fourth defines it as “accompanying; attendant.” My father wrote, “accompanying in a subordinate or incidental way.”
- “One of the negative consequences of global warming is a concomitant increase in climatic variability.”
- The United States has “leaned on China to relax exchange controls on the renminbi without acknowledging a concomitant need to keep fiscal discipline back home.”
- “Methamphetamine abuse could be leading to an increase in child abuse and neglect, as reflected by a concomitant increase in foster care admissions, report researchers.”
- Word of the Week: Antediluvian (patospapa.wordpress.com)