allows is a form of:

Abominable



adjective
1.
(Very hateful, very unpleasant) ដែលគួរឲ្យស្អប់ខ្ពើម, ដែលនាំឲ្យស្អប់, នៃបទឧក្រិដ្ឋ, ដែលគួរឲ្យខ្ពើម
Example: Abominable cruelties of Nero, an abominable food.
ENGLISH MEANING
adjective
1.
Excessive; large; -- used as an intensive.
2.
Worthy of, or causing, abhorrence, as a thing of evil omen; odious in the utmost degree; very hateful; detestable; loathsome; execrable.