deleterious
- adjective (adj)
Meaning: harmful, damaging
Synonyms:
bad
destroying
destructive
detrimental
hurtful
injurious
mischievous
nocent
nocuous
pernicious
prejudicial
prejudicious
ruining
ruinous
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.