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earlier (EN)
adjective, adverb

This word can also be a form of:
early (adjective, adverb)

adjective “earlier”

base form earlier, non-gradable
  1. happening before now or before a specific past event
    She regretted not taking the earlier flight, as the later one was delayed.

adverb “earlier”

earlier (more/most)
  1. before now or before the specific time being talked about
    She arrived earlier than expected.