My Mor(m)on Musings

← Blog

téleios (Perfect)

Created

Updated

τέλειος (téleios) is an adjective formed from the noun τέλος (télos, “end,” “completion,” “purpose”) plus the adjectival suffix -ιος, giving the sense of “having reached its end” or “brought to completion.”

1. Etymology

  • τέλος (“end,” “goal,” “completion,” “purpose”)
  • ιος (suffix forming adjectives, “pertaining to”)

    • So τέλειος literally means “pertaining to the end” or “that which has reached its goal,” hence “complete,” “perfect,” or “mature.”

    2. Classical Usage

    In Classical authors like Plato and Aristotle, τέλειος describes:

  • Moral or intellectual perfection: a person or soul fulfilled in virtue (e.g., the fully realized philosopher)
  • Structural completeness: a work of art or system that lacks nothing necessary to its design
  • Natural maturity: an organism that has reached full growth

    • 3. New Testament / Early Christian Usage

    The adjective appears frequently in the New Testament, most often rendered “perfect” or “complete”:

  • Matthew 5:48: “Be you therefore perfect (τέλειοι), even as your Father… is perfect.”
  • Luke 6:40: “A disciple is not above his teacher: but every one that is perfect (τέλειος) shall be as his master.”
  • James 1:4: “But let patience have its perfect work (τέλειον ἔργον), that ye may be perfect and entire…”
  • Hebrews 5:14: “But strong meat belongeth to them that are of full age, even those who by reason of use have their senses exercised to discern both good and evil (τέλειοι τῆς διακρίσεως).”

    • In these contexts τέλειος conveys the idea of spiritual maturity or moral completeness.

    4. Theological Connotation

    Over time τέλειος became a key term for:

  • Spiritual maturity: growth toward Christ-likeness, lacking nothing in virtue or faith
  • Eschatological fulfillment: the believer’s final state when Christ’s work is complete and nothing more is needed

    • Christian theologians often distinguish between lightτ. (the believer’s progressive growth) and ἐκτελεστός τ. (the believer’s ultimate perfection at glorification).

    In short:

    τέλειος = “complete,” “perfect,” or “mature,” literally “having reached its end or goal.” In Greek usage it ranges from describing a perfectly crafted object or a fully grown being to, in the New Testament, a spiritually mature believer who lacks nothing in moral or faith development.