虱潰し

しらみつぶしshiramitsubushi

noun

  1. very thorough search (for contraband, escaped convict, etc.)
  2. fine-tooth-comb search
  3. exhaustive search
  4. scouring

Kanji in this word

Study it in Yanamino

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