ベストワン

noun

the best; number one

Loanword from English 'best one'. Used in casual contexts to declare something or someone as the top choice or winner.

from English best one

• この曲きょくがベストワンだと思おもう。

  I think this song is the best.

• 今年ことしのベストワンに選えらばれた映えい画が。

  The movie chosen as number one this year.