infestive
1 of 2adjective (1)
in·fes·tive
ə̇nˈfestiv
: likely to infest : troublesome
infestive weeds
infestive
2 of 2adjective (2)
in·festive
(ˈ)in+
: not festive : mirthless
Word History
Etymology
Adjective (1)
infest + -ive
Adjective (2)
in- entry 1 + Latin festivus festive