deplore + -able

source: Good Stuff | Anime Amino

deserving strong condemnation:

悲しむべき, 嘆かわしい, 遺憾な

e.g. the deplorable conditions in which most prisoners are held.

shockingly bad in quality:

悲惨な, きわめてひどい

e.g. her spelling was deplorable.

deplorably |dəˈplôrəblē| adverb

early 17th century: from French déplorable or late Latin deplorabilis, from the verb deplorare (see deplore).