Lexical Definition

‎φθαρτός‎ phthartós (fthar-tos') perishable G:A
from ‎φθείρω‎

corruptible.

Usage: 4 forms in 6 verses
Form Translated As     In Verse(s)
φθαρτῆσ perishable 1Pet.1.23
φθαρτὸν a perishable 1Cor.9.25
perishable 1Cor.15.531Cor.15.54
φθαρτοῦ of mortal Rom.1.23
φθαρτοῖσ by perishable things 1Pet.1.18

Abbott-Smith

φθαρτός, -ή, -όν (φθείρω) [in LXX: Le 22:25 (מִשְׁחָת), Is 54:17 Aא3, Wi 9:15 14:8, II Mac 7:16 * ;]
perishable, corruptible: ἄνθρωπος, Ro 1:23 (opp. to ἄφθαρτος θεός); στέφανος, I Co 9:25 (opp. to ἄφθαρτος); σπσρά, I Pe 1:23 (opp. to ἄφθ.); neut., τὸ φ. τοῦτο, I Co 15:53, 54; pl., I Pe 1:18.†

Abbott-Smith References

Book Refs
Leviticus 22:25
Isaiah 54:17
Romans 1:23
1 Corinthians 9:25 · 15:53 · 15:54
1 Peter 1:18 · 1:23

Liddell-Scott-Jones

φθαρτός-τός, , όν,

destructible, perishable, opposed to ἀΐδιος, [Refs 4th c.BC+]; gloss on{θνητός}, [Refs 3rd c.BC+]