Unduly is defined as excessively or improperly.
When you are overly influenced by the opinions of others to an unhealthy degree, this is an example of when you are unduly influenced.
- improperly; unjustly
- to an undue degree; excessively
Excessively; immoderately: unduly familiar with strangers.
(comparative more unduly, superlative most unduly)
undue +"Ž -ly