The phrase "verbal guarantees" is correct and commonly used in written English.
It refers to promises or assurances that are given through spoken words rather than written documents. Example: "The customer service representative gave me verbal guarantees that my issue would be resolved within 24 hours."
Among them were verbal guarantees that Widnes will receive a parachute payment of £500,000.
However, administration officials have said they will consider formalizing the verbal guarantees Mr. Bush has made that the United States will not attack the North without provocation.
Bernadette Kelly, the Department for Transport's permanent secretary, told the public accounts committee that instead officials accepted verbal guarantees from Seaborne Freight and were reassured that the firm was a "known quantity in the industry".
Following written and verbal guarantees from Puntland President, Mohamud Muse Hirsi "Adde," that the staff member's security would be assured, plans were made for his return to Bossaso.
Prior to the interview, the selected patients were contacted to inform them about the study, obtain their consent for participation, and provide a verbal guarantee of confidentiality.
He doesn't seem to appreciate that his verbal cascades guarantee that some words will land funny.
He always succeeded in creating an atmosphere of high drama, which he punctuated with a verbal wit guaranteed to convulse any audience.
(11) Not particularly convinced about verbal for "guarantee", though it is a speech act process and can be followed by a clause complement, so that seems reasonable evidence.
Mrs Ghandi overruled her son and returned the shrine without guarantees either verbal or written.
An exchange that once came with a guarantee of verbal fireworks has, in recent times, become something more akin to a charity golf match, where ideological enmity has congealed into a kind of jokey fondness.
Famously Paul Ince, Frank Lampard, Jermain Defoe, Craig Bellamy and Nigel Reo-Coker have borne the brunt of verbal assaults and a guaranteed hostile reception at Upton Park.
