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Phonetics
/tænˈdʒɛn.tʃəl/
/tænˈdʒɛn.ʃəl/
adjective
Referring to a tangent, moving at a tangent to something.
Merely touching, positioned as a tangent.
Only indirectly related.
Example: That subject is tangential to our discussion, and we cannot let it distract us.