border on

phrasal verb
bordered on; bordering on; borders on

Definition of border on

1 : to have a border on (something) : to lie on a boundary of (something) The area my ancestors come from borders on the Atacama Desert.
2 : to be very like (something) : to come very close to being (something) The play's dialog borders on the ridiculous. an enthusiasm bordering on fanaticism

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of or relating to the heavens

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