Verb
overpromise (third-person singular simple present overpromises, present participle overpromising, simple past and past participle overpromised)
To promise more than is delivered.
We don't want to overpromise.
Synonym: overcommit
According to Dr. Kelly Brogan, antidepressants not only overpromise and underdeliver, but their use may permanently disable the body’s self-healing potential. Source: Internet
Perhaps the simplest way to overpromise and underdeliver to a candidate is to focus too much of the pre-hire communications on things that aren’t related to their work. Source: Internet
There’s always a tendency in the slogans we use in health to potentially overpromise. Source: Internet