Adjectives

(a)earlyat or near the beginning of a period of time or course of events or before the usual or expected time“early morning”, “an early warning”, “early diagnosis”, “an early death”, “took early retirement”, “an early spring”, “early varieties of peas and tomatoes mature before most standard varieties”
(a)earlybeing or occurring at an early stage of development“in an early stage”, “early forms of life”, “early man”, “an early computer”
(a)earlyof an early stage in the development of a language or literature“the Early Hebrew alphabetical script is that used mainly from the 11th to the 6th centuries B.C.”, “Early Modern English is represented in documents printed from 1476 to 1700”
(s)early, former, otherbelonging to the distant past“the early inhabitants of Europe”, “former generations”, “in other times”
(s)earlyvery young“at an early age”
(s)earlyexpected in the near future“look for an early end to the negotiations”

Adverbs

(r)early on, earlyduring an early stage“early on in her career”
(r)early, ahead of time, too soonbefore the usual time or the time expected“she graduated early”, “the house was completed ahead of time”
(r)early, betimesin good time“he awoke betimes that morning”