U is for
ubiquitous
adjective
present, appearing, or found everywhere.
"his ubiquitous influence was felt by all the family"
ultrafidianism
adjective
blind, unquestioning faith or credulity.
uxorious
adjective
having or showing a great or excessive fondness for one's wife.
"he had always impressed me as home-loving and uxorious"
Definitions from Oxford Languages