Senses
忌讳/ 忌諱 to avoid as taboo
To abstain from certain words or actions due to custom, religion, or personal reasons
忌讳/ 忌諱 taboo
A social or religious custom prohibiting a particular practice or forbidding association with a particular person, place, or thing
忌讳/ 忌諱 vinegar
A dialectal term for vinegar, often used as a euphemism to avoid the word 醋 which sounds like inauspicious words in some contexts
忌讳/ 忌諱 to avoid
To take care to avoid or not want to occur (something that might have negative consequences)