adverb, noun, noun which may take the genitive case particle 'no'
Refers to someone or something other than the one in question, especially people, groups, cases, methods, or abstract matters. As a standalone reading, た is more written/formal than ほか, and it is also familiar in fixed phrases and compounds.
他に類を見ない発想だ。
It is an idea with no parallel.
この分野では、他の追随を許さない。
In this field, it is unmatched.
他との比較なしに結論は出せない。
We cannot reach a conclusion without comparing it with others.