Bitterer (bitter) meaning in Arabic

Results: bitter
I'd rather look for this: bitterer

English	Arabic
bitter harsh, piercing or stinging	أَلِيم
bitter hateful or hostile	مَقِيت مَمْقُوت
bitter having an acrid taste	مُرّ
bitter melon fruit of ''Momordica charantia''	قَاوُونm
bitter melon plant ''Momordica charantia''	قَاوُونm
bitter vetch ''Vicia ervilia''	كَرْسَنَّةf
bitterness quality of being bitter in taste	مَرَارَةf
bittersweet both bitter and sweet	حُلْو وَمُرّm حُلْوَة وَمُرَّةf
bittersweet expressing contrasting emotions of pain and pleasure	حُلْو وَمُرّ حُلْوَة وَمُرَّةf

bitterer meaning in Arabic