Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
WORD ORIGIN
1630s, "noxious, harmful," from Latin nocuus "harmful," from stem of nocere "to hurt, injure, harm" (see innocuous).
MORE RELATED WORDS FOR NOCUOUS
damaging
adjectivehurtful to reputationdeleterious
adjectiveharmful, damagingharmful
adjectiveinjurious, hurtful- adverse
- bad
- baleful
- baneful
- calamitous
- cataclysmic
- catastrophic
- consumptive
- corroding
- corrupting
- crippling
- damaging
- deleterious
- destructive
- detrimental
- dire
- disadvantageous
- disastrous
- evil
- harassing
- incendiary
- inimical
- internecine
- malefic
- malicious
- malignant
- menacing
- mischievous
- murderous
- nocuous
- noxious
- painful
- pernicious
- pestiferous
- pestilential
- risky
- ruinous
- sinful
- sinister
- subversive
- toxic
- undermining
- unhealthy
- unsafe
- unwholesome
- virulent
hurtful
adjectiveinjurious, cruelill
adjectivebad, evil- acrimonious
- adverse
- antagonistic
- cantankerous
- cross
- damaging
- deleterious
- detrimental
- disrespectful
- disturbing
- foreboding
- foul
- harmful
- harsh
- hateful
- hostile
- hurtful
- ill-mannered
- impertinent
- inauspicious
- inimical
- iniquitous
- injurious
- malevolent
- malicious
- nocent
- nocuous
- noxious
- ominous
- ruinous
- sinister
- sullen
- surly
- threatening
- unfavorable
- unfortunate
- unfriendly
- ungracious
- unhealthy
- unkind
- unlucky
- unpromising
- unpropitious
- unwholesome
- vile
- wicked
- wrong
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.