The most common and most likely answer to this crossword clue is the 10 letter word GUARANTEED
I've seen this crossword clue in The Daily Telegraph
G
U
A
R
A
N
T
E
E
D
More clues leading to the result GUARANTEED
- A month back, sounded off about the end of Europe being certain
- Stake European thrust into sentry and swore
- Promised good university article held forth about Spain
- After month in recession, gave angry tirade about store’s termination being certain
- Football team’s blocker keeps an item for the punter secured
- Assured true agenda is different
Buddy explains!
The straight part
We know that "swore" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case swore = guaranteed.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 GUARANTEED mean?
GUARANTEED verb- To give an assurance that something will be done right.
- To assume or take responsibility for a debt or other obligation.
- To make something certain.
- Made certain; promised.