Как по Английски будет 忠实的

adjective

That owes or gives allegiance (to someone or something); loyal, faithful.

noun

A person who owes or gives allegiance; a loyal follower or adherent (of someone or something).

adjective

Conscientiously or obediently fulfilling one's duty.

Примеры использования:

A dutiful daughter

adjective

As the second element in parasynthetic compounds: having religious faith of the specified intensity or quality, as "feeble-faithed", "strong-faithed", etc.; (also) that has a faith or religion of a specified type, as "strange faithed", etc.

verb

Variant spelling of staunch2.

adjective

Archaic spelling of staunch1.

adjective

Past participle of swear.

verb

Make a solemn statement or promise undertaking to do something or affirming that something is the case.

Примеры использования:

Maria made me swear i would never tell anyone

adjective

Loyal or faithful.

Примеры использования:

A true-hearted paladin

adjective

Completely loyal to a person or belief