heartfelt.

Sincere and deeply meant, rather than merely polite or performed.

Use it for

Words that belong together

• heartfelt apology
• heartfelt thanks

On the page

Her heartfelt thanks came in a short handwritten note.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more heartfelt; superlative most heartfelt when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description, character. Commonness: moderately common.