/ dɪsˈmɪs; NAmE / verb [ vn ]
1.
dismiss sb/sth (as sth) to decide that sb/sth is not important and not worth thinking or talking about
SYN wave aside :
I think we can safely dismiss their objections.
Vegetarians are no longer dismissed as cranks.
He dismissed the opinion polls as worthless.
The suggestion should not be dismissed out of hand (= without thinking about it) .
2.
dismiss sth (from sth) to put thoughts or feelings out of your mind :
Dismissing her fears, she climbed higher.
He dismissed her from his mind.
3.
dismiss sb (from sth) to officially remove sb from their job
SYN fire , sack :
She claims she was unfairly dismissed from her post.
4.
to send sb away or allow them to leave :
At 12 o'clock the class was dismissed.
5.
( law ) to say that a trial or legal case should not continue, usually because there is not enough evidence :
The case was dismissed.
6.
( in cricket ) to end the innings of a player or team
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WORD ORIGIN
late Middle English : from medieval Latin dismiss- , variant of Latin dimiss- sent away, from the verb dimittere .