1. in a manner that is not enough or adequate; to a degree that falls short of what is needed or required

Examples

• The project was insufficiently funded to meet all its goals.
• She studied insufficiently for the exam and did not pass.
• The evidence was insufficiently strong to convict the defendant.
• The team was insufficiently prepared for the competition.
• The instructions were insufficiently clear for most users to understand.
• He ate insufficiently at breakfast and felt hungry by noon.