pre-noun adjectival
egregious; outrageous; too much; over the top
Pre-noun adjectival form of ひどい, meaning something is excessively bad, unreasonable, or extreme. Often used in exclamations or strong criticism.
See also: 酷い (ひどい)
それはひどすぎる話だ。
That's an outrageous story.
彼の態度はひどすぎる。
His attitude is too much.
ひどい is the base adjective meaning 'terrible' or 'cruel'. ひどすぎる is its pre-noun adjectival form, used before nouns to mean 'too terrible' or 'egregious'.
Derived from the adjective ひどい (terrible, cruel) with the suffix すぎる (too much), forming a pre-noun adjectival meaning 'too terrible' or 'egregious'.