Open English Wordnet
Nouns
(n)first, number onethe first or highest in an ordering or series“He wanted to be the first” (n)beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offsetthe time at which something is supposed to begin“they got an early start”,
“she knew from the get-go that he was the man for her” (n)first base, firstthe fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate) Adjectives
(a)first, 1stpreceding all others in time or space or degree“the first house on the right”,
“the first day of spring”,
“his first political race”,
“her first baby”,
“the first time”,
“the first meetings of the new party”,
“the first phase of his training” (a)firsthighest in pitch or chief among parts or voices or instruments or orchestra sections“first soprano”,
“the first violin section”,
“played first horn” (s)beginning, firstserving to begin“the beginning canto of the poem”,
“the first verse” (s)first, foremost, world-classranking above all others“was first in her class”,
“the foremost figure among marine artists” (s)inaugural, initiative, initiatory, first, maidenserving to set in motion“the magazine's inaugural issue”,
“the initiative phase in the negotiations”,
“an initiatory step toward a treaty”,
“his first (or maiden) speech in Congress”,
“the liner's maiden voyage” Adverbs
(r)firstthe initial time“when Felix first saw a garter snake” (r)firstbefore another in time, space, or importance“I was here first”,
“let's do this job first” (r)foremost, firstprominently forward“he put his best foot foremost”