ENGLISH
REFERENCE

earliest

adj. · adv.
US //ˈɝɫiəst// UK //ˈɜːlɪəst// ear·li·est
  1. 1 first in time (adj.)
    A2 Elementary

    happening at the very beginning of a period or before anything else.

    denoting the first part of a period of time or the first in a chronological sequence.

    Example

    The earliest trains leave the station at four in the morning.

    Example

    Archaeologists discovered that the earliest settlements in this valley date back to the Bronze Age, long before the arrival of Roman explorers.

    Usage

    Often used with 'the' as it identifies a unique point in a sequence.

  2. 2 at the first possible time (adv.)
    B1 Intermediate

    at the first possible moment or as soon as you can.

    at the most premature or initial point possible within a timeframe.

    Example

    Please call me back at your earliest convenience.

    Example

    The shipment is scheduled to arrive on Tuesday at the earliest, assuming there are no further delays at the border.

    Usage

    Commonly found in the formal phrase 'at your earliest convenience'.

    • soonest

© 2026 English Reference