► 形容詞久しい  [(3)ひさしい]  [liter]    
meaning:  while  rank: 4☆ 
彼に
会わなくなってから久しい ⇨ It has been a while since I met him for the last time
► 形容動詞久し振り  [ひさしぶり]    
meaning:  first time in a while  rank: 2☆ お久し振りです ⇨ Long time no see
☆ 久し振りに
寿司屋に
行った ⇨ We went to a sushi bar for the first time in a while