Learner's definition of DISMISS
to decide not to think about or consider (something or someone)
We dismissed his accusations.
We can't completely dismiss [=discount] the possibility that she's right.
I don't think we should dismiss the matter lightly.
— often + as
to send (someone) away
to cause or allow (someone) to leave
to officially make (someone) leave a job
to end the employment or service of (someone)
to officially end or stop (something, such as a legal case)
I was surprised by his dismissal of the idea.
A small group is protesting the dismissals of several employees.
the dismissal of the lawsuit