Thy

//ðaɪ// conj, det

conj, det ·Uncommon ·Advanced level

Definitions

Determiner
  1. 1
    Possessive form of thou: that which belongs to thee; which belongs to you (singular). Early, Modern, archaic, dialectal, form-of, literary, possessive
  2. 2
    Honorific alternative letter-case form of thy, sometimes used when referring to God or another important figure who is understood from context. alt-of, honorific
Conjunction
  1. 1
    Only used in for thy, for-thy, which is an alternative form of forthy (“because, therefore”). obsolete

    "For-thy it round and hollow shaped was, Like to the world itselfe, and seem'd aworld of glass."

Example

More examples

"Every day of thy life is a page in thy history."

Etymology

From Middle English þi, apocopated variant of þin, from Old English þīn, from Proto-West Germanic *þīn, from Proto-Germanic *þīnaz, from Proto-Indo-European *téynos (“thy; thine”), from Proto-Indo-European *túh₂ (“thou”). See thou.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.