1.
Fidelity is loyalty to a person, organization, or set of beliefs. (FORMAL)
I had to promise ~ to the Queen.
= loyalty
? disloyalty
N-UNCOUNT: oft N to n
2.
Fidelity is being loyal to your husband, wife, or partner by not having a sexual relationship with anyone else.
Wanting ~ implies you’re thinking about a major relationship.
? in~
N-UNCOUNT
3.
The ~ of something such as a report or translation is the degree to which it is accurate. (FORMAL)
...the ~ of these early documents.
= accuracy
N-UNCOUNT: with poss, oft N to n