〜ほど〜はない hodo ... wa nai
〜ほど〜はない（hodo ... wa nai）means “nothing is more... than; the most...”. Expresses a superlative by negation: 'nothing/no one is more X than this'. Formation: N + ほど〜はない ／ V（辞書形）こと + ほど〜はない
nothing is more... than; the most...
N3Formation
N + ほど〜はない ／ V（辞書形）こと + ほど〜はない
Explanation
Expresses a superlative by negation: 'nothing/no one is more X than this'. It singles out one thing as the very best or worst in a given respect.
Examples
Note
A fixed superlative pattern. With verbs, attach こと first (V-る + こと + ほど). Similar in meaning to 〜が一番〜.
FAQ
〜ほど〜はない — what does it mean and how is it used?
nothing is more... than; the most.... Expresses a superlative by negation: 'nothing/no one is more X than this'. It singles out one thing as the very best or worst in a given respect.
〜ほど〜はない — how do you form it?
N + ほど〜はない ／ V（辞書形）こと + ほど〜はない
〜ほど〜はない — any usage notes?
A fixed superlative pattern. With verbs, attach こと first (V-る + こと + ほど). Similar in meaning to 〜が一番〜.