treacherously (Meaning)

Wordnet

treacherously (r)

in a disloyal and faithless manner

The treacherous ice concealed the deadly chasm beneath.
The treacherously slippery path led them to a false sense of security.
The treacherous river carried hidden currents that could easily capsize boats.
The treacherous politician betrayed their trust with honeyed words.
The treacherous fog enveloped the city, obscuring vision and creating a sense of unease.
The treacherous malware infected computers, stealing sensitive data and leaving them vulnerable.
The treacherous advice led them into a dangerous situation from which they narrowly escaped.
The treacherous terrain posed a significant challenge to hikers, forcing them to navigate with extreme caution.
The treacherous wind sent debris flying, creating a hazardous environment for passersby.
The treacherous smile hid a hidden agenda that ultimately proved disastrous.

in a disloyal and faithless manner

false, unreliable,traitorous, faithless, irresponsible, untrustworthy, unfaithful, untrue, inconstant, perfidious

reliable, faithful, dedicated, solid, fast, true, down-the-line, trusty, trustworthy, true

The treacherous ice concealed the deadly chasm beneath.

The treacherously slippery path led them to a false sense of security.

The treacherous river carried hidden currents that could easily capsize boats.

The treacherous politician betrayed their trust with honeyed words.