noun which may take the genitive case particle 'no', na-adjective
nonstandard; out of spec; irregular
Used for things that do not meet a standard, specification, or norm. Often applied to products, sizes, or qualities. Can also describe unconventional relationships or ugly produce.
This part is out of spec, so we can't use it.
Ugly vegetables are sold cheaply.
na-adjective, noun which may take the genitive case particle 'no'
exceptional; extraordinary; off the charts
Colloquial use, often as 規格外に, to describe something that exceeds normal bounds in a striking way, usually modifying traits like size, ability, or intensity.
His talent is off the charts.
I baked an extraordinarily large cake.
non-standard product; off-spec goods
Compound of 規格 (standard) + 外 (outside). The literal meaning 'outside the standard' extends to both technical nonconformity and colloquial extraordinariness.