non-answer1
/ˈnɒnˌɑːnsə/ /ˈnɒnˌansə/noun
1A failure or refusal to give an answer; a failure to obtain an answer.
2An answer that does not deserve to be called an answer; an inadequate or evasive answer.
Origin
Early 19th century; earliest use found in The Examiner. From non- + answer.
non-answer2
/nɒnˈɑːnsə/ /nɒnˈansə/nonce-wd.
verb
[with object] To utter as an inadequate answer.
Origin
Early 19th century (in an earlier sense). From non- + answer.