The most common and most likely answer to this crossword clue is the 7 letter word INGRATE
I've seen this crossword clue in The Daily Telegraph
I
N
G
R
A
T
E
More clues leading to the result INGRATE
- Where nuts may be placed — though he won’t thank you for them!
- Unappreciative chap lighting fire here?
- Thankless sort angry over nothing on vacation
- One doesn't appreciate where the ashes are left
- Does one not appreciate a fire here?
- He won’t appreciate current grid
- One Regan typifies, primarily, in play
- Angry about no good, thankless person
- Person with no appreciation of what it costs to throw game
- One doesn’t appreciate where to find coal
Buddy explains!
The straight part
We know that "without a word of thanks" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case without a word of thanks = ingrate.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INGRATE mean?
INGRATE noun- An ungrateful person
- Ungrateful
- Unpleasant, unfriendly