... “Yes, near the cemetery,” said Porthos, thoughtlessly... 
Alexandre Dumas, Pere 「Louise de la Valliere」
... Chauvelin during this brief interlude, had walked thoughtlessly on ahead...
Baroness Orczy 「El Dorado」
...If you should ever consider yourself forced to employ a spikedcollar, do not thoughtlessly imagine that the same collar will suit alldogs...
Dinks, Mayhew, and Hutchinson 「The Dog」
...His grandfather, who had watched the passing of eighteencenturies, had discovered the Secret of Life and thoughtlessly, in thelight of later developments, broadcast his discovery to the world...
Various 「Astounding Stories of Super-Science July 1930」
ランダム例文：
iteration retrospection affects
便利！手書き漢字入力検索