Pronunciation: /ə ˈfɛðər ɪn wʌnz kæp/
noun cap - a type of headwear worn for various purposes
A1 Getting a good grade on the test was a feather in his cap.
A2 Winning the championship was a feather in her cap.
B1 Being promoted to manager was a feather in his cap.
B2 Publishing a book was a feather in her cap.
C1 Receiving a prestigious award was a feather in his cap.
C2 Successfully launching a global campaign was a feather in her cap.
pronoun one's - belonging to or associated with oneself
A1 Getting a good grade on the test was a feather in my cap.
A2 Winning the competition was a feather in her cap.
B1 Being promoted to manager was a feather in his cap.
B2 Completing the marathon in under four hours was a feather in their cap.
C1 Publishing a book was a feather in the author's cap.
C2 Receiving the Nobel Prize was a feather in the scientist's cap.
preposition in - used to indicate location or position within something
A1 Getting a good grade in the exam was a feather in her cap.
A2 Winning the competition was a feather in his cap.
B1 Being promoted to manager was a feather in her cap.
B2 Completing the marathon was a feather in his cap.
C1 Publishing a book was a feather in her cap.
C2 Receiving a prestigious award was a feather in his cap.
formal Being recognized as Employee of the Month was a feather in his cap.
informal Winning the science fair was definitely a feather in her cap.
slang Scoring the winning goal was a real feather in his cap.
figurative Graduating with honors was a feather in her cap, symbolizing all her hard work paying off.
had a feather in one's cap
feathers in one's cap
more feathers in one's cap
most feathers in one's cap
has a feather in one's cap
will have a feather in one's cap
have had a feather in one's cap
is having a feather in one's cap
a feather in one's cap
a great feather in one's cap
to have a feather in one's cap
having a feather in one's cap
a feather in one's cap