ahead

同义词:

forward | before | in front | in advance | onward | on | along | forth | first | advance | in | front | leading | winning | forwards | in the future | to come | early | prematurely | fast | gaining | or | in the lead | beforehand | out front | onwards | forrader |

反义词:

back | behind |

词义辨析:

同义:

ad.在前; 领先

forward

before

in front

in advance

同义参见:

forward or forwards

forth

first

along

onward

on

反义:

ad.在前; 向前; 领先

behind

反义参见:

astern

backward

aback