Word.ws English Dictionary

coastie

coastie noun: a schoolie (senior student).

Noun (1)

coastie (plural coasties)

  1. A schoolie (senior student).

Noun (2) capitalized: Coastie

Coastie (plural Coasties)

  1. (informal) A member of the Coast Guard.
    • For eons, the Coasties have served as the final redundant safety systems of our boats.1991 Jan-Jun, Bearkeley Breathed, “Coastie Etiquette: Proper manners during a Coast Guard Drug Inspection”, in Boating, volume 64, numbers 1-3, page 22
    • States and the US. Coast Guard cooperate to enforce rules in many state waters. However, the Coasties don't enforce navigation rules in land-locked waters that aren't open to commercial waterways, such as stand-alone lakes.2009, Randy Vance, Power Boating For Dummies, →ISBN
  2. (informal) Someone residing on the Central Coast of Australia.
    • Coasties can see them at Ettalong Diggers on Saturday.2016 June 16, Terry Collins, “Eurogliders ready to revive old hits at Ettalong Diggers”, in Central Coast Gosford Express Advocate
    • Thousands of Coasties will join close the 3 million people voting across NSW tomorrow (Saturday September 9) in council elections.2017 September 18, “The Coast Decides”, in Hit 107 (Adelaide)

Forms of coastie

pluralcoasties
pluralCoasties

Origin of coastie

From a clipping of Coast Guard + -ie (diminutive or familiarising suffix).

Questions about coastie

What does coastie mean?
Coastie means a schoolie (senior student).
What part of speech is coastie?
Coastie is a noun.
What is the plural of coastie?
The plural of coastie is coasties.

Words near coastie in the dictionary

  1. coastguards
  2. coastguardsman
  3. coastguardsmen
  4. coastguardswoman
  5. coastguardswomen
  6. coastie
  7. coasties
  8. coasties week
  9. coasting
  10. coasting trade
  11. coasting trades

Source and license

Adapted from Wiktionary: coastie (page history and authors); Coastie (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-Coastie.wav.

Cite this entry: “coastie.” Word.ws, https://word.ws/coastie. Based on Wiktionary, CC BY-SA 4.0.