topachievement
nounUK /ˌtɒp əˈtʃiːvmənt/
US /ˌtɑːp əˈtʃiːvmənt/
The very best thing you have done or won.
Winning the spelling bee was her topachievement of the year.
RELATED WORDS
OTHER MEANINGS
2. The highest level of success a person or team has reached.
The company's topachievement was launching a rocket into space.
3. A prize or honor given for being the best.
He received a medal for his topachievement in math.
4. The best score or result ever recorded in a contest.
Her topachievement in the race broke the old record.