loyal

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adjective loy·al \ˈlȯi(-ə)l\

Simple Definition of loyal

: having or showing complete and constant support for someone or something

Source: Merriam-Webster's Learner's Dictionary

Full Definition of loyal

1 : unswerving in allegiance: as a : faithful in allegiance to one's lawful sovereign or government b : faithful to a private person to whom fidelity is due c : faithful to a cause, ideal, custom, institution, or product
2 : showing loyalty
3 obsolete : lawful, legitimate

loyally

play \ˈlȯi-ə-lē\ adverb

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Examples of loyal in a sentence

The team has many loyal fans.
She has provided the company with many years of loyal service.

Origin and Etymology of loyal

Middle French, from Old French leial, leel, from Latin legalis legal

First Known Use: 1531

Synonym Discussion of loyal

faithful, loyal, constant, staunch, steadfast, resolute mean firm in adherence to whatever one owes allegiance. faithful implies unswerving adherence to a person or thing or to the oath or promise by which a tie was contracted <faithful to her promise>. loyal implies a firm resistance to any temptation to desert or betray <remained loyal to the czar>. constant stresses continuing firmness of emotional attachment without necessarily implying strict obedience to promises or vows <constant friends>. staunch suggests fortitude and resolution in adherence and imperviousness to influences that would weaken it <a staunch defender of free speech>. steadfast implies a steady and unwavering course in love, allegiance, or conviction <steadfast in their support>. resolute implies firm determination to adhere to a cause or purpose <a resolute ally>.