alterieren
Translation
to upset, to agitate, to alter
Examples
Die Nachricht alterierte ihn sichtlich.
The news visibly upset him.
Bitte alterieren Sie sich nicht über diese Sache.
Please don't get upset about this matter.
Grammar Patterns
((j-n)) alterieren to upset (sb.) His words upset me.
sich ((über+4)) alterieren to get upset (about sth.) Don't get upset about little things.
Similar Words
aufregen (to excite/upset), beunruhigen (to worry), ärgern (to annoy)
Etymology
From French 'altérer', from Latin 'alterare' (to change).
Memory Tips
It looks like the English 'to alter', but in German it more commonly means for one's mood to be altered, i.e., to get upset or agitated. Think of an 'altercation' that 'alters' your mood.