single-hearted

[sing-guhl-hahr-tid]

adjective

1. sincere and undivided in feeling or spirit; dedicated; not reflecting mixed emotions.

   He was single-hearted in his patriotism.

Other Word Forms

• single-heartedly adverb
• single-heartedness noun

Word History and Origins

Origin of single-hearted¹

First recorded in 1570–80

Related Words

• committed 
• devoted 
• enthusiastic 
• faithful 
• zealous