プログレッシブ和英中辞典(第4版)の解説
のうがき【能書き】
❶〔薬の効能書〕a statement of the virtues of a medicine；〔薬の箱などに書かれた〕indications
能書きには頭痛に効くと書いてある
The explanation says that the drug is good for headaches.
❷〔宣伝文句〕an advertisement；〔大げさな〕a puff
能書き程ではない
It is not so good as it is claimed to be.
彼は能書きを並べたてた
He went on and on singing his own praises.／《文》 He enumerated [dwelt on] his own merits.