noun
water-related accident; drowning; flood; shipwreck
Refers to accidents or disasters involving water, such as drowning, flooding, or shipwrecks. Often used in compound terms like 水難事故 (water accident) or 水難救助 (water rescue).
夏は水難事故が増えるので注意が必要だ。
In summer, water-related accidents increase, so caution is needed.
彼は水難から子供
He saved a child from drowning.
Compound of 水 (water) and 難 (difficulty, disaster). The combination straightforwardly means 'water disaster' or 'water-related misfortune'.