1. Having value that is not acknowledged
   - unappreciated, unsung

See also: unacknowledged

• lineament
• linear
• Linear A
• linear accelerator
• linear algebra
• Linear B
• linear equation
• linear leaf
• linear measure
• linear operator
• linear perspective
• linear programming
• linear regression
• linear unit
• linearise
• linearity
• linearize
• linearly
• lineation
• linebacker
• linebacker blitzing
• linecut
• lined
• lined snake
• linelike