before as in earlier in time

• "previously"
• "I had known her before"
• "as I said before"
• "he called me the day before but your call had come even earlier"
• "her parents had died four years earlier"
• "I mentioned that problem earlier"

Synonyms

• earlier(comparative and superlative of `early') more early than; earlier in time; comparatives of `soon' or `early'; before now

before as in at or in the front

• "I see the lights of a town ahead"
• "the road ahead is foggy"
• "staring straight ahead"
• "we couldn't see over the heads of the people in front"
• "with the cross of Jesus marching on before"

Synonyms

• aheadhaving the leading position or higher score in a contest; at or in the front; toward the future; in a forward direction; ahead of time; to a more advanced or advantageous position; to a different or a more advanced time (meaning advanced either toward the present or toward the future); leading or ahead in a competition
• in frontat or in the front