adjectival noun or quasi-adjective, takes genitive case の, noun, adverb

Onomatopoeic or mimetic word, usually written with kana alone.
  1. just barely, only just, at the very limit, at the last moment.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
ぎりぎり
 
 
限り限り ぎりぎり
 
 
 
 
ギリギリ