一つも

ひとつもhitotsumo

adverb

  1. (not) a single one
  2. (not) any
  3. (not) at all
  4. (not) in the slightest
  5. (not) the least bit

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences