"Moider" is a colloquial term for murder or kill. Often used in slang, it can be replaced with a variety of synonyms in formal or professional settings. Some of the synonyms for "moider" include "assassinate," "eliminate," "dispatch," "terminate," "slaughter," "execute," "annihilate," "destroy," "liquidate," "neutralize," and "take out". Each of these words have their own nuances and connotations, and one should choose the appropriate word based on the context. It is important to remember that using proper language in communication is crucial, as it helps to convey the intended message clearly.