Strong's #5446: phusikos (pronounced foo-see-kos')

from 5449; "physical", i.e. (by implication) instinctive:--natural. Compare 5591.

Thayer's Greek Lexicon:

́

phusikos

1) produced by nature, inborn

2) agreeable to nature

3) governed by (the instincts of) nature

Part of Speech: adjective

Relation: from G5449

Citing in TDNT: 9:251, 1283

Usage:

This word is used 3 times:

 

Romans 1:26: "even their women did change the natural use"
Romans 1:27: "men, leaving the natural use of the woman, burned"
2 Peter 2:12: "But these, as natural brute beasts, made to be taken"