acerb - adjective
acerb - thesaurus
acerbic
acid
acrid
astringent
bitter
blistering
caustic
sulfurous
sulphurous
virulent
vitriolic
Scrabble score = 9
"Spellzone is incredibly easy to access and caters for a wide range of abilities, which means you can use it throughout the school at a range of levels, making it fantastic value for money as a learning resource."
Anne Shisler, SENCO, City of London School for Girls