The phrase "without declaration" is grammatically correct and can be used in written English.
You can use this phrase when referring to something that is done or happens without being officially announced or stated. Example: The new policy was implemented without declaration, causing confusion among the employees.
"Without declaration, question, and vow, our psyches and physiques melted into each other".
"We've decided not to quote him in our list but punters won't lose out if he does run; we'll settle all bets so far as 'Betting without Declaration Of War'.
Any bets struck since the acceptance stage will be settled "without" Declaration Of War, whose participation would lavishly redeem the race from a rather tame billing as a rematch between the principals in the Prince of Wales's Stakes.
Sept. 11 is also present in "Ville Panique" ("Panic City") by Paul Virilio, a student of man-made disasters who here identifies a new threat, the suicide terrorist who acts without declaration of war, without a flag, without a name and without a genuine battle.
By Téa Obreht Having sifted through everything I have heard about the tiger and his wife, I can tell you that this much is fact: in April of 1941, without declaration or warning, the German bombs started falling over the city and did not stop for three days.
I. THE TIGER Having sifted through everything I have heard about the tiger and his wife, I can tell you that this much is fact: in April of 1941, without declaration or warning, the German bombs started falling over the city and did not stop for three days.
You're not allowed to go to war without a declaration of war".
The Nazis had invaded at 4am that morning without a declaration of war.
But it is unclear how successful that would be without a declaration of candidacy from Mr. Gore.
Without that declaration, though, Ms. Winfrey may decide to sue San Jacinto County for damages.
And without that declaration, there could not have been the Jewish immigration to Palestine that laid the foundations for the state of Israel.
