abortive

词形变化：

副词: abortively | 名词: abor-tiveness |

词义辨析：

同义:

a.无效的, 贫瘠的

unsuccessful

vain

futile

useless

bootless

profitless

unavailing

worthless

nugatory

ineffective

inoperative

ineffectual

fruitless

unproductive

sterile

barren

impotent

a.流产的

immature

incomplete

stunted

failing

miscarrying

not viable

untimely

premature

同义参见:

forward or forwards