This is the 15223rd most frequent German word.
tödliche
Deadly.
Here 'tödliche' is an adjective describing 'Gefahr' (danger), indicating that it has a potentially fatal nature.
Die tödliche Gefahr wurde unterschätzt.
The deadly danger was underestimated.
In this example, 'tödlichen' is an attributive adjective modifying the plural noun 'Folgen' (consequences), implying that they resulted in death.
Er litt unter den tödlichen Folgen des Unfalls.
He suffered from the lethal consequences of the accident.
Here 'tödliche' is used adjectivally to describe 'Entscheidung' (decision), characterizing it as one leading to destructive or severe outcomes.