諱

to avoid; to refrain from; to shun

忌む／諱む only

to detest

displeasure; offense; offence; disliking

real name (of a deceased person or a noble)

posthumous name

one kanji in the name of a nobleperson (with a multiple-kanji name)

Buddhism

semicentennial memorial service

to give offense; to get on someone's nerves; to displease

Historical term

avoiding using a name (naming taboo in ancient China)

posthumous name

(for a nobleman) to bestow one of the kanji in his name upon someone (e.g. meritorious retainer, boy coming of age, etc.)