Half-hourly

adj, adv

Definitions

Adjective
  1. 1
    Once every half-hour, every 30 minutes. not-comparable

    "a half-hourly train service"

Adjective
  1. 1
    occurring ever half hour wordnet
Adverb
  1. 1
    At intervals of a half-hour, every 30 minutes. not-comparable

    "Take this medicine half-hourly."

Adverb
  1. 1
    every thirty minutes, every half hour wordnet

Etymology

Etymology 1

From half-hour + -ly.

Etymology 2

From half-hour + -ly.

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