heartfelt

adjective

heart·​felt ˈhärt-ˌfelt 

: deeply felt : earnest

a heartfelt thank-you

Synonyms of heartfelt

• sincere
• genuine
• unfeigned

Choose the Right Synonym for heartfelt

sincere, wholehearted, heartfelt, hearty, unfeigned mean genuine in feeling.

sincere stresses absence of hypocrisy, feigning, or any falsifying embellishment or exaggeration.

a sincere apology

wholehearted suggests sincerity and earnest devotion without reservation or misgiving.

promised our wholehearted support

heartfelt suggests depth of genuine feeling outwardly expressed.

expresses our heartfelt gratitude

hearty suggests honesty, warmth, and exuberance in displaying feeling.

received a hearty welcome

unfeigned stresses spontaneity and absence of pretense.

her unfeigned delight at receiving the award

Examples of heartfelt in a Sentence

You have our heartfelt thanks.

Our most heartfelt wish is for our children to be happy.

Recent Examples on the Web

Instead, candidates should think about what a recruiter actually wants to hear, and write a heartfelt, human message that can break through the AI slop. —Kristin Stoller, Fortune, 1 June 2026

Recorded in Madison, Wisconsin, the comedy set is both outspoken and heartfelt, telling stories about showing his teenage daughter John Carpenter’s Halloween for the first time, phone-banking for Kamala Harris, his 30 years on Prozac, and finding relief while scrolling through lawn-clearing videos. —Steve Appleford, SPIN, 1 June 2026

McComb posted a heartfelt tribute to him the next day. —Theresa Braine, New York Daily News, 1 June 2026

After 10 days trapped in a cave with four others, the first man brought to safety expressed heartfelt gratitude to his rescuers and his family. —CNN Money, 30 May 2026

Word History

First Known Use

1712, in the meaning defined above

Rhymes for heartfelt

• snowmelt
• unfelt
• belt
• celt
• dealt
• dwelt
• felt
• knelt
• melt
• pelt
• smelt
• spelt

Kids Definition

heartfelt

adjective

heart·​felt ˈhärt-ˌfelt 

: deeply felt : earnest

heartfelt thanks