The definition of harmless is not hurting or offending anyone or anything.
An example of something harmless is a Halloween prank.
- Rare not harmed
- causing or seeking to cause no harm; not harmful; inoffensive
- Not causing or incapable of causing harm.
- Not intended to harm or offend; inoffensive.
- a. Of or relating to an error in a trial that would not change the outcome and therefore does not call for a reversal of the case on appeal.b. Not giving rise to legal liability: an agreement to treat another party's behavior as harmless.
(comparative more harmless, superlative most harmless)
harm + -less