しきい 敷居 Common word Show 2 collocations 敷居が高い - having a high threshold敷居の高い - having a high threshold LinksSentence search for 敷居Sentence search for しきいSentence search for 閾Sentence search for しきみSentence search for しきKanji details for 敷 and 居Edit in JMdict Noun1. threshold (esp. one with grooves for sliding doors); sillArchitecture, See also 鴨居Other forms閾 【しきい】、閾 【しきみ】、閾 【しき】 Discussions Log in to talk about this word.