Simple Examples:
* The baby was inarticulate, able only to gurgle and cry.
* He was so overcome with emotion that he became inarticulate.
* Her anger left her inarticulate, unable to form words.
More Complex Examples:
* The poem, though powerful, was inarticulate in its attempt to express the complex emotions of loss.
* The witness was clearly inarticulate under the pressure of the interrogation.
* Despite his years of experience, the professor found himself inarticulate when trying to explain the complex theory.
Note: "Inarticulate" often has a negative connotation, suggesting a lack of clarity or eloquence in communication.