go-ahead
1 of 2adjective
ˈgō-ə-ˌhed 
1
: marked by energy and enterprise : progressive
a vigorous go-ahead company
2
: indicating that one may proceed
go-ahead signal
3
: being a score that gives a team the lead in a game
drove in the go-ahead run
go-ahead
2 of 2noun
1
a
: energy, spirit
b
: one possessing go-ahead
2
: a sign, signal, or authority to proceed : green light
Synonyms
Noun
- bootstrapper
- go-getter
- highflier
- highflyer
- hummer
- hustler
- live wire
- powerhouse
- self-starter
See all Synonyms & Antonyms 
Word History
First Known Use
Adjective
1829, in the meaning defined at sense 1
Noun
1843, in the meaning defined at sense 1a
go-ahead
noun
as in powerhouse
an ambitious person who eagerly goes after what is desired a born go-ahead, he was determined to be the first in his family to graduate from college Synonyms & Similar Words
Relevance
- powerhouse
- hummer
- bootstrapper
- highflier
- eager beaver
- live wire
- highflyer
- go-getter
- hustler
- self-starter
- achiever
- doer
- enterpriser
- comer
- individualist
- he-man
Antonyms & Near Antonyms
- idler
- putterer
- loafer
- dawdler
- drone
- lounger
- goldbrick
- procrastinator
- shirker
- slacker
- trifler
- lazybones
- laggard
- malingerer
- neglecter
- dallier
- lingerer
- dreamer
- slowpoke
- loiterer
- sluggard
- ignorer
- dropout
- stick-in-the-mud
- daydreamer
- quitter
- ne'er-do-well