1. Long past; beyond the limits of memory or tradition or recorded history
   "time immemorial"

See also: old

• subgenus Azaleastrum
• subgenus Calliopsis
• subgenus Chen
• subgenus Pastor
• subgenus Poinciana
• subglacial
• subgross
• subgroup
• subhead
• subheading
• subhuman
• subinfeudation
• subito
• subjacent
• subject
• subject area
• subject case
• subject field
• subject matter
• subjection
• subjective
• subjectively
• subjectiveness
• subjectivism
• subjectivist