Land in a notable plane like a speedy Columbia 400 or a backcountry-bound De Havilland and these gearheads will probably favor you with a nod or even wander over for some nonearthbound conversation.
Source: wiktionary
Nonearthbound
Synonyms for "nonearthbound"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.