Precariousness(noun)
The state of being dangerously likely to fall or collapse.
Hindi meaning:अनिश्चितता
Synonyms: Uncertainty, Instability, Unreliability
Antonyms: Certainty, Steadiness
Example: They recognized the precariousness of the foothold.
Trick to remember: Precious cheez ko khone ka hamesha precariousness bna rehta hai. 
