Definition of pestiferous
1 : dangerous to society : pernicious
2a : carrying or propagating infection : pestilentialb : infected with a pestilential disease
3 : troublesome, annoying
pestiferously
adverbpestiferousness
nounFrom the M-W Editors
Examples of pestiferous in a Sentence
a pestiferous weed that has given gardeners no end of grief
Origin and Etymology of pestiferous
Middle English, from Latin pestifer pestilential, noxious, from pestis + -fer -ferous
Medical Dictionary
pestiferous
play
adjective
pes·tif·er·ous
\pes-ˈtif-(ə-)rəs\
Medical Definition of pestiferous
1: carrying or propagating infection : pestilential a pestiferous insect
2: infected with a pestilential disease
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