SINCE 1828

An Encyclopædia Britannica Company

hyperarid

adjective hy·per·ar·id \ ˌhī-pər-ˈa-rəd , -ˈer-əd \

variants: or hyper-arid

Definition of hyperarid

: extremely arid

hyperarid desert regions

hyperarid climates

…Antarctica's hyperarid, cold-desert conditions make it this planet's closest analogue to Mars …
—Jean Hennelly Keith

First Known Use of hyperarid

1960

in the meaning defined above

See Words from the same year

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