1. Lacking proof or substantiation

See also: unproved, unproven

• research worker
• researcher
• reseat
• reseau
• resect
• resection
• reseda
• Reseda luteola
• Reseda odorata
• Resedaceae
• reseed
• resell
• resemblance
• resemblant
• resemble
• resend
• resent
• resentful
• resentfully
• resentfulness
• resentment
• reserpine
• surface fire
• surface gage
• surface gauge