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Definitions

benign

[bih-nahyn] / bɪˈnaɪn /
ADJECTIVE
kindly
Synonyms
STRONGEST
benevolent favorable friendly gentle mild
STRONG
benignant
WEAK
amiable beneficent complaisant congenial generous genial good goodhearted gracious kind liberal merciful obliging sympathetic
Antonyms
STRONGEST
harsh rough unfriendly unkind violent
WEAK
bad cancerous disadvantageous harmful hateful hostile hurtful injurious malignant severe
ADJECTIVE
mild, especially describing weather
Synonyms
STRONGEST
favorable gentle temperate warm
WEAK
auspicious balmy bright fortunate healthful propitious refreshing
Antonyms
STRONGEST
unfriendly unkind violent
WEAK
bad cancerous disadvantageous harmful hateful hostile hurtful injurious malignant severe
ADJECTIVE
advantageous
Synonyms
STRONGEST
benevolent encouraging favorable
WEAK
auspicious beneficent bright charitable dexter fortunate good lucky merciful propitious salutary smiling
Antonyms
WEAK
bad cancerous disadvantageous harmful hateful hostile hurtful injurious malignant severe unkind
ADJECTIVE
not cancerous
Synonyms
STRONGEST
harmless
WEAK
curable early stage limited remediable slight superficial
Antonyms
WEAK
bad cancerous disadvantageous harmful hateful hostile hurtful injurious malignant severe unkind

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.