渋滞【じゅうたい】
(traffic) congestion, traffic jam, gridlock, delay, stagnation
渋い【しぶい】
astringent, bitter, puckery, rough, harsh, tart, austere, elegant (and unobtrusive), refined, quiet (and simple), sober, sombre, subdued, tasteful (in a quiet way), understated, sour (look), glum, grim, sullen, sulky, stingy, tight-fisted
渋る【しぶる】
to be reluctant (to do), to be unwilling (to do), to hesitate (to do), to grudge, to be tardy (in doing), to put off (doing), to falter, to slacken, to slow down, to have a frequent urge to defecate but difficulty passing stool, to suffer from tenesmus
苦渋【くじゅう】
bitterness, distress, pain, anguish, affliction, bitterness and astringency
渋々【しぶしぶ】
reluctantly, unwillingly
渋り腹【しぶりばら】
bowel pains, painful loose bowels
難渋【なんじゅう】
suffering, distress, difficulty, hardship, misery, being bogged down, hurdle
渋柿【しぶがき】
astringent persimmon