وَيْلٌۭ يَوْمَئِذٍۢ لِّلْمُكَذِّبِينَ
Sentence structure
وَيْلٌ is a nominative topic with an omitted predicate. يَوْمَئِذٍ is its time expression, and لِّلْمُكَذِّبِينَ is linked to the omitted predicate.
Ayah summary
On that day, there will be severe ruin for those who deny the truth.
وَيْلٌۭ — Woe
Grammar: An indefinite nominative noun functioning as a topic with an omitted predicate.
يَوْمَئِذٍۢ — that Day
Grammar: An accusative time expression locating the statement on that day; learner wording does not over-specify its governor.
لِّلْمُكَذِّبِينَ — to the deniers
Grammar: لِ is a preposition, ال the definite article, and مُكَذِّبِينَ a Form II masculine-plural active participle genitive with yā; the phrase is linked to the omitted predicate.