undeleterious
(un-del-e-te-rious)
5 syllables
Definition
adjective. not harmful
Example Sentence
The undeleterious gases filled the concert hall during the performance.
More Example Sentences
The medicine was tested and found to be undeletorious for children.
Synonyms
unharmful; harmless; safe; nonthreatening
Antonyms
dangerous; toxic; damaging
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undeleterious
