1. Not up to expectations
   - disappointing, dissatisfactory

See also: unsatisfactory

• recalcitrant
• recalcitrate
• recalculate
• recalculation
• recall
• recall dose
• recant
• recantation
• recap
• recapitulate
• recapitulation
• recapture
• recast
• recasting
• recce
• recco
• reccy
• recede
• receding
• receipt
• receipts
• receivable
• receivables
• receive
• received