形容詞 downright:

1. characterized by plain blunt honesty
2. complete and without restriction or qualification; sometimes used informally as intensifiers
   同義詞：absolute, out-and-out, rank, right-down, sheer

副詞 downright:

1. thoroughgoing

1. He has a downright pleasant manner.
   他有一種令人愉快的率直態(tài)度。
2. He wasn't just unfriendly, he was downright rude.
   他不僅僅是態(tài)度冷淡，簡直是無禮透頂。
3. It's a downright lie.
   那是個徹頭徹尾的謊言。
4. He is a downright honest person.
   他是一個直率的老實人。

down.right

adj.（形容詞）
Thoroughgoing; unequivocal:
徹頭徹尾的；毫不含糊的：
例句：
a downright lie.
徹頭徹尾的謊話

Forthright; candid.
直率的；直截了當?shù)?/br>adv.（副詞）
Thoroughly; absolutely.
完全地；徹底的