退屈 たいくつ tedium; boredom; dullness n adj-na to feel bored; to get bored with; to get tired of vs Beginner II ➥
屈折 くっせつ bending; curving; twisting; turning; winding n vs warping (of feelings, logic, etc.); distortion; twisting n vs refraction n vs inflection n vs ling Intermediate II ➥
窮屈 きゅうくつ narrow; tight; cramped adj-na n formal; stiff; strict; ceremonious; rigid adj-na n constrained; uncomfortable adj-na n tight (e.g. finances) adj-na n Intermediate II ➥