Definition of subterranean

subterranean

Adjective

being or operating under the surface of the earth

Example

"subterranean passages"

Synonyms

subterraneous

Word of the Day

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22 July 2026

agglutinate

Verb

to clump together

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amiss

Adverb

in an improper or mistaken or unfortunate manner

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actually

Adverb

in actual fact

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abortively

Adverb

in an unfruitful manner

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agglutinate

Verb

to string together morphemes in an agglutinating language

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