~の至り => extremely ~ N1
The highest (comparative) level
の+ [至「いた」]り => Very A N1
Degree/ Level/Amount
~なりに/~なりの      => suitable; in one's own way / style N1
あまりの~に => because the degree is too hight N2
Extreme level
なりに,なりの,それなり => In A's own way, in a(n) A way N1
Adjectival, Descriptions
~のは…ぐらいのものだ => only (emphasis) N1
Limit
~おりからの ... => when; at the time; on the occasion ~ N1
Time
ひとり ... のみならず => not only…, not just… N2
Add
くらいの => Approximate~ N3
Emphasis on degree
いつかの ... => Previously N4
Time
…の…ないの => thinking whether or not to do something... N2
Position, perspective
よりいっそ => I'd rather... than... N2
Description