Definitions

1. interjection

an expression of gratitude

“She exclaimed ‘thankyou’ after receiving the gift.”

2. noun

a feeling or expression of gratitude

“Her thankyou note was heartfelt.”

3. verb

to express gratitude or appreciation

“She thankyoued her teacher for the kind words.”

4. adverb

used to indicate that an action is done as a sign of gratitude

“He thankyoued her for the help.”