Decomposition, Rotting, Corruption
noun, の adjective, verbal noun
Rot and failure lead to decomposition and rotting. This word also has the related meaning of corruption, similar to how "rotten" can mean "corrupt" in English.
ふはい
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
そこには、何かが腐敗したような臭いがただよっていた。
There was a smell of something decomposing in the air.
この添加物により、食品の腐敗が防げます。
This additive prevents food from rotting.
多くの人々が腐敗した政治組織にうんざりしています。
Many people are tired of the corrupt political ring.