Definitions:

1. Often used when someone has a secret agenda or goal behind their actions or words. ADJECTIVE
   • HIs apology seemed sincere, but many believed there was an ulterior reason behind it.
2. Refers to something that is intentionally hidden or beyond what is openly stated or obvious, typically involving a concealed motive or purpose. ADJECTIVE
   • She seemed generous, but I suspected she had an ulterior motive for her offer.

Synonyms:

• Concealed
• Covert
• Hidden
• obscured
• secret
• shrouded
• undivulged

NearBy Words:

• ulteriority
• ulteriorly