safest
adj.adj. the most secure or least dangerous choice among several options. You use this when comparing things to find the one with the lowest risk.
adj. the superlative form of 'safe', indicating the highest degree of security or the lowest level of risk within a group. Often follows the definite article 'the' and precedes a noun.
The safest way to cross the street is at the light.
Experts agree that keeping your money in a regulated bank account is the safest option for long-term savings.
While every investment carries some degree of risk, government bonds are traditionally regarded as the safest asset class during periods of extreme market volatility.
Superlative adjective; typically preceded by 'the' and followed by a noun or used after a linking verb.
the most safest waythe safest waySafest is already the superlative form; adding 'most' is a double superlative error.