deep and harsh sounding as if from shouting or illness or emotion; "gruff voices"; "the dog's gruff barking"; "hoarse cries"; "makes all the instruments sound powerful but husky"- Virgil Thomson
wishing or appearing to wish evil to others; arising from intense ill will or hatred; "a gossipy malevolent old woman"; "failure made him malevolent toward those who were successful"
a device for showing the operating condition of some system
a signal for attracting attention
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
engaged in as a pastime; "an amateur painter"; "gained valuable experience in amateur theatricals"; "recreational golfers"; "reading matter that is both recreational and mentally stimulating"; "unpaid extras in the documentary"
(usually followed by `to') strongly opposed; "antipathetic to new ideas"; "averse to taking risks"; "loath to go on such short notice"; "clearly indisposed to grant their request"