| Thayer's Greek LexiconSTRONGS NT 5446: φυσικός φυσικός, φυσικη, φυσικον (φύσις), natural; i. e., a. produced by nature, inborn (very often so from Xenophon, (mem. 3, 9, 1) down). b. agreeable to nature (Dionysius Halicarnassus, Plutarch, others): opposed to παρά φύσιν, Romans 1:26,(27). c. governed by (the instincts of) nature: ζῷα γεγεννημένα φυσικά, 2 Peter 2:12 (R. V. born mere animals). | 



