Look at the start or end of the clue

This is a reversal clue - look for indicators like 'back', 'returned', 'up' (in down clues), or 'west' (in across clues)

Break down the clue into definition and wordplay parts

Answer: NATURALDISASTER | Wordplay: Supermarket among restaurants stricken in flood, maybe (7,8)ALDI in RESTAURANTS*