1
incoherent + noun
His speech was incoherent and difficult to follow.
他的讲话不连贯，很难听懂。
不连贯的；缺乏逻辑的
先理解核心含义，再看它在真实句子里的用法。
不连贯的；缺乏逻辑的
not logical or clearly connected; not coherent
His speech was incoherent and difficult to follow.
他的讲话不连贯，很难听懂。
不连贯的；语无伦次的。
Not coherent.
缺乏逻辑或有意义的联系
without logical or meaningful connection
(物理)(波)没有稳定确定或稳定的相位关系
(physics) of waves having no stable definite or stable phase relation
无法清晰或流利地表达自己
unable to express yourself clearly or fluently
His argument was so incoherent that no one could follow his reasoning.
他的论点非常不连贯，以至于没人能跟上他的推理。
AI contextual example
The patient's speech became incoherent after the accident.
事故后病人的言语变得语无伦次。
AI contextual example
She wrote an incoherent letter full of disconnected thoughts.
她写了一封语无伦次的信，充满了不连贯的想法。
AI contextual example
a turgid incoherent presentation
一篇浮夸而语无伦次的报告。
WordNet
His speech was incoherent and difficult to follow.
他的讲话不连贯，很难听懂。
She became incoherent with grief.
她因悲伤而语无伦次。
The explanation sounded incoherent to the audience.
这个解释对听众来说听起来很不连贯。
Not this
His speech incoherent.
Use this
His speech is incoherent.
缺少be动词：中文中形容词可以直接作谓语，但英文中形容词作表语时必须搭配系动词，如is/are等。
Not this
I cannot understand his incoherent.
Use this
I cannot understand his incoherent speech.
incoherent是形容词，不能直接作宾语，需后接名词（如speech、explanation等）构成名词短语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
语无伦次的讲话
After the accident, she gave an incoherent speech that worried the doctors.
事故发生后，她语无伦次的讲话让医生们很担心。
缺乏逻辑的论点
His incoherent argument failed to convince the audience.
他缺乏逻辑的论点没能说服观众。
混乱的思绪
Fear filled her with incoherent thoughts.
恐惧让她思绪混乱。
语无伦次的胡言乱语
The patient's incoherent rambling made it hard for the nurse to understand him.
病人语无伦次的胡言乱语让护士很难理解他。
语无伦次的叙述
The witness gave an incoherent account of the robbery.
目击者对抢劫案作了语无伦次的叙述。
Use incoherent naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
in-（不）+ coherent（连贯的）→ 不连贯的；想象一段话断断续续，像碎掉的线，没有条理。
语域：neutral 常见场景：学术或评论文章、正式演讲/辩论、课堂或研讨会讨论 该词通常用于书面或较正式的场合，表示叙述、论点或人说的话缺乏逻辑和连贯性；也可形容人因激动、疾病等而表达不清。日常口语中，如果语气随意，常换成 not making sense 来表达。
美式英语中，incoherent 与 coherent、inherent、adherent 押韵（重音都在 -her- /hɪr/ + /ənt/）。Reverent 和 different 拼写相近，但重音在前面且元音不同，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.