acerbic - adjective
acerbic - thesaurus
acerb
acid
acrid
astringent
bitter
blistering
caustic
sulfurous
sulphurous
virulent
vitriolic
Scrabble score = 13
"This is a fantastic opportunity for our students! I'm sure Spellzone will be invaluable in helping them to improve their spellings and therefore improve the quality of their writing in all subject areas!"
Teacher, High School, UK