undated

un·dat·ed /ʌnˈdeɪtɪd/ adjectiveadj

a letter, article, painting etc that is undated does not have a date written on it 未标明日期的

Examples from the Corpus

undated• There are about 12 records, of which three are undated.• And likewise, finds of that period found in a layer which is otherwise undated can help to date that layer.• The finding of an undated Command Paper may give trouble unless the following table is known.• Elizabeth Jerichau-Baumann's undated painting Odalisque subscribes to the stereotypes of the female nude propagated by her male counterparts.• One is a small pile of undated photographs I have from my early childhood.• Dating Discovering exactly when an undated rug was made is almost impossible.• This latter remains undated, though it was not the earliest feature on site, overlying at least one slot-like channel.• Most of Rodin's drawings are undated, unsigned and untitled, so she had to work virtually from scratch.

From Longman Business Dictionary

undatedun·dat·ed /ʌnˈdeɪtɪd/ adjectiveadj

1undated bond/security etcFINANCE a bond etc that has no MATURITY (=date at which it will be repaid). A few British government bonds are undated

2undated cheque/documentBANKING an undated cheque etc has no date written on it

Chinese

Syllable

Corpus

BNC: 21431 COCA: 23226