IPA: /ˌʌn.dɪˈzaɪə.ɹəɫ/
KK: /ʌnˈdɪzəˌraɪl/
Something that is not wanted or is considered objectionable.
The neighborhood has become less appealing due to the presence of undesirable elements.
A person or thing that is not wanted or is considered to be harmful or unpleasant.
The city decided to remove the undesirables from the area to improve safety.
Undesirable → It is formed from "un-" (meaning not) and "desirable" (from Latin "desiderabilis", meaning worthy of desire). The word "undesirable" means not worthy of desire or something that is not wanted.
Think of 'not' ('un-') wanting something that is 'worthy of desire' — that's why undesirable means something you do not want.