fast

形容词比较级：faster

形容词最高级：fastest

副词比较级：faster

副词最高级：fastest

词形变化：

形容词比较级: faster | 形容词最高级: fastest | 动词过去式: fasted | 动词过去分词: fasted | 动词现在分词: fasting | 动词第三人称单数: fasts |

同义词：

quick | debauched | quickly | speedily | firmly | tightly | diet | abstention | starvation | cleansing | hunger strike | abstinence | rapid | hasty | swift | speedy | firm | sure | dependable | solid | stable | steady | starve | fleet | instant | immediate | instantaneous | sudden | secure | go hungry | libertine | immobile | riotous | truehearted | degenerate | dissipated | dissolute | tight | fasting | degraded | profligate | loyal | flying |

反义词：

slow | tardy | slowly | tardily |

词义辨析：

同义:

a.快速的

rapid

speedy

swift

quick

fleet

instant

immediate

instantaneous

hasty

sudden

a.牢固的

firm

stable

secure

sure

dependable

solid

steady

反义:

a.快的; 敏捷的

slow

sluggish

tardy

ad.迅速地; 敏捷地

slowly

tardily

slow