D defs.my
Entry 1 sense Webster, 1913

Tribulation

/trĭbˌ-yəl-āsh'-ən/ · Trib·u·la·tion · IPA /ˌtɹɪbjəˈleɪ̯ʃən/
01 n. That which occasions distress, trouble, or vexation; severe affliction.
  1. 1.
    That which occasions distress, trouble, or vexation; severe affliction.
    “When tribulation or persecution ariseth because of the word, by and by he is offended.” — Matt. xiii. 21.
    “In the world ye shall have tribulation.” — John. xvi. 33.