EN

Synonyms for unharmful

Most common

harmless benign innocuous nonharmful

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.
  • innocuous Her innocuous statement was actually a veiled insult.

Popularity over time

Word1850 → 2019Trend
unharmfulfalling
harmlesssteady
benignrising
innocuoussteady
nonharmfulrising

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

By length

6 letters
benign2
8 letters
harmless2
9 letters
innocuous4
10 letters
nonharmful

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