~ことこの上ない (couldn't be more)
grammar2 sentences
A fixed emphatic pattern literally 'there is nothing beyond this X,' meaning 'couldn't be more X, X in the extreme.' Attaches to adjectives or na-adjectives + こと.
2 sentences
A fixed emphatic pattern literally 'there is nothing beyond this X,' meaning 'couldn't be more X, X in the extreme.' Attaches to adjectives or na-adjectives + こと.