confidant
KON-fih-dahntnounMeaning a trusted friend you can share secrets with
Memory hook CONFIDE-ANT: the one you CONFIDE in. Rosa confides her biggest worries to Grandpa Gus on the park bench, and he never tells a soul. The person you confide in is your confidant.
Grandpa was Rosa’s confidant; she told him things she told no one else.
In context The young queen trusted few people at court, but her old nurse was her confidant, the one person who heard all her worries and never repeated a word.
Similar close friend, trusted friend, intimate
From French confident, from Latin confidere, “to trust fully”: con (thoroughly) + fidere (to trust).