The hallmark of something or someone is their most typical quality or feature.
It's a technique that has become the hallmark of Amber Films. [+ of]
The killing had the hallmarks of a professional assassination.
His designs show a love of simplicity which is very much his hallmark.
Synonyms: trademark, indication, badge, emblem More Synonyms of hallmark
2. countable noun
A hallmark is an official mark put on things made of gold, silver, or platinum that indicates the quality of the metal, where the object was made, and who made it.
More Synonyms of hallmark
hallmark in British English
(ˈhɔːlˌmɑːk)
noun
1. British
an official series of marks, instituted by statute in 1300, and subsequently modified, stamped by the Guild of Goldsmiths at one of its assay offices on gold, silver, or platinum (since 1975) articles to guarantee purity, date of manufacture, etc
2.
a mark or sign of authenticity or excellence
3.
an outstanding or distinguishing feature
verb
4. (transitive)
to stamp with or as if with a hallmark
Also (for senses 1, 4): platemark
Word origin
C18: named after Goldsmiths' Hall in London, where items were graded and stamped
hallmark in American English
(ˈhɔlˌmɑrk)
noun
1.
an official mark stamped on British gold and silver articles, orig. at Goldsmiths'Hall in London, as a guarantee of genuineness
2.
any mark or symbol of genuineness or high quality
verb transitive
3.
to put a hallmark on
Examples of 'hallmark' in a sentence
hallmark
The verve and fluency that have been their hallmarks throughout a thoroughly entertaining season were absent altogether.
Times, Sunday Times (2012)
Reexamining old beliefs is one of the hallmarks of adolescence.
Steinberg, Laurence & Levine, Ann You and Your Adolescent: A Parents' Guide for Ages 10 to 20 (1990)
His hallmark is producing wine that punches above its weight.
Times, Sunday Times (2010)
In other languages
hallmark
British English: hallmark NOUN
The hallmark of something or someone is their most typical quality or feature.
It's a technique that has become the hallmark of that company.