ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
Unknown. Perhaps derived from 古期英語 þeatless (“thoughtless, without plan”). See also deedless.
dateless (comparative more dateless, superlative most dateless)
Coined between 1585 and 1595 from date + -less[1][2]
dateless (not comparable)
dateless