Synonyms for nonharmful

Most common

harmless · benign · unharmful

All synonyms

Adjective

Definitions

1. adj. 1

   Not harmful.

Example sentences

• harmless I'm sorry. It was only meant as a harmless prank.
• benign Various types of tumors exist, both benign and malignant.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

6 letters

benign²

8 letters

harmless²

9 letters

unharmful

The small number after each word is its number of syllables (benign² = 2 syllables).