英语词汇thoughtless的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	thoughtless
词根词缀	Online Etymology Dictionary thoughtless adj. 1610s, "heedless, imprudent," from thought + -less. Meaning "inconsiderate of others" is from 1794. Related: Thoughtlessly; thoughtlessness.
随便看	geno-, gen-, genit-, gener-, -gen genome genotype -genous genre Genro gens -gens gent genteel gentian gentile gentility gentill- gentle gentleman gentlemanly gentleness gentlewoman gently gentrification gentrify gentry genu- genu

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