Meaning of the word "one dimensional" in English

What does "one dimensional" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

one dimensional

US /wʌn dɪˈmɛnʃənəl/
UK /wʌn dɪˈmɛnʃənəl/

Adjective

1.

having only one dimension (e.g., length, but no width or depth)

Example:
A line is a one-dimensional object.
The problem was simplified to a one-dimensional model.
2.

lacking depth, complexity, or nuance; superficial

Example:
The characters in the novel were rather one-dimensional.
His argument was too one-dimensional to be convincing.