noun, noun which may take the genitive case particle 'no'
pros and cons; arguments for and against; mixed reception
Used when opinions are divided, often in discussions, reviews, or evaluations. Can describe a topic that attracts both support and criticism, or the state of having both positive and negative views.
その提案については賛否両論がある。
There are pros and cons regarding that proposal.
新作映画は賛否両論の評価を受けた。
The new movie received mixed reviews.
A yojijukugo composed of 賛 (approval), 否 (denial), 両 (both), and 論 (argument/discussion). The exact historical derivation is uncertain, but the meaning is transparent from its components.