ungrammatical
adj. 不合文法的；非文法的
副词：ungrammatically 名词：ungrammaticality
近义词：ill-formed，grammatical，
英英释义
Adjective
- not grammatical; not conforming to the rules of grammar or accepted usage
例句
用作形容词(adj.)
- The essay is ungrammatical and incoherent.文章写得文理不通。