thankyou
interj.interj. a polite phrase you use to show you are grateful for something someone has given or done for you. It is a common variation of 'thank you' used in casual writing.
interj. an expression of gratitude or polite acknowledgement. While standard English treats this as two words, this single-word variant appears frequently in informal correspondence and as a noun in certain dialects.
Thankyou for the lovely birthday gift.
I just wanted to send a quick note to say thankyou for helping me move house last weekend.
The speaker paused to offer a sincere thankyou to the volunteers whose tireless efforts had made the charity gala such a resounding success.
Commonly used as a standalone interjection or as a countable noun ('a big thankyou'); the two-word form 'thank you' remains the standard in formal writing.
I thankyou for your help.I thank you for your help.When used as a verb phrase, 'thank' and 'you' must be separate words; the single-word form is only used as an interjection or noun.