with specific intentions; for the express purpose
"she needs the money expressly for her patients"
In an express or explicit manner.
"The contract expressly stated that no refunds would be issued after the return deadline."
In plain English: Expressly means doing something clearly and directly so there is no doubt about what you mean.
"He did not expressly forbid them from attending the meeting, so they felt free to come."
The word expressly comes from combining the verb express with the suffix -ly. It entered English to mean "in an explicit manner," directly reflecting its current definition without any shift in meaning over time.