impenetrable
adjectiveUnable to be entered or passed through; also impossible to understand or interpret.
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5 words matching "rough" / Letter I / Showing 1-5
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impermeable
adjectiveNot allowing a substance to pass through.
Read it in a lessonSynonyms and related expressionsimpervious
adjectiveNot allowing passage through; figuratively, unaffected by an influence.
Read it in a lessonSynonyms and related expressionsingratiate
verbTo seek favor or acceptance through pleasing behavior.
Read it in a lessonSynonyms and related expressionsintuitive
adjectiveUnderstood through immediate insight rather than explicit reasoning.
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