Как по Английски будет ongetekend

adjective

(of a person) not identified by name; of unknown name.

Примеры использования:

The donor's wish to remain anonymous

adjective

Not identified or authorized by a person's signature.

Примеры использования:

An unsigned cheque

adjective

If a letter of the alphabet is undotted, it does not have the dot (= very small round mark) or dots on it that it usually has

Примеры использования:

Her writing was hard to read, with lower-case i's undotted, g's that looked like y's, and sentences…