専断横行

せんだんおうこう

prevalence of arbitrariness, rife with arbitrary decisions (acting on one's own authority)

独断専行

どくだんせんこう

acting arbitrarily on one's own authority, acting arbitrarily without consultation

専

せん

having a fetish for..., specializing in..., majoring in...

専従

せんじゅう

working exclusively for, working full-time (for)

Ｂ専

ビーせん

attraction to ugly people

専技

せんぎ

full-time engineer, full-time technician

専一

せんいち せんいつ

exclusively, (taking) best care

高専

こうせん

technical college

専属

せんぞく

exclusive, attached to, specialist

専横

せんおう

arbitrariness, despotism, tyranny

専管

せんかん

exclusive jurisdiction

専売

せんばい

monopoly

専心

せんしん

undivided attention, concentration

専業

せんぎょう

special occupation, principal occupation, specialty, monopoly

専決

せんけつ

deciding or acting on one's own

専科

せんか

specialized course, specialised course

専権

せんけん

arbitrary use of power

デブ専

デブせん

chubby chaser; person attracted to overweight people

専務

せんむ

managing director, special duty, conductor