Lexical Definition

‎φυσικός‎ physikós (foo-see-kos') natural ^G:A
from ‎φύσις‎

natural.

• "physical", i.e. (by implication) instinctive

Abbott-Smith

* φυσικός, -ή, -όν (< φύσις),
natural
(a) produced by nature, innate (Xen., Arist., al.);
(b) according to nature (Arist., Diod., al.): opp. to παρὰ φύσιν, Ro 1:26, 27;
(c) governed by mere natural instinct (cf. Plut., Mor., 706A): ζῷα γεγεννημένα φ. (RV, born mere animals; Mayor, born creatures of instinct; ICC, animals born of mere nature), II Pe 2:12,†

Abbott-Smith References

Liddell-Scott-Jones

φυσικός, ή, όν,

natural, produced or caused by nature, inborn, native, once in [Refs 5th c.BC+], and later Prose; opposed to διδακτός, [Refs 5th c.BC+] [same place]; opposed to νομικός (conventional), δίκαιον [Refs 4th c.BC+]; ἡ φ. χρῆσις, opposed to ἡ παρὰ φύσιν, [NT]; of style, natural, simple, ἀληθὲς καὶ φ. χρῶμα [Refs 1st c.BC+] adverb -κῶς by nature, naturally, κινητόν, κινεῖσθαι, [Refs 4th c.BC+]

__b belonging to the nature of a plant, characteristic, [Refs 4th c.BC+]
__2 belonging to growth, [Refs]
__3 φ. ὀδόντες milk-teeth, [Refs 2nd c.AD+]
__II of or concerning the order of external nature, natural, physical, ἡ φ. ἐπιστήμη [Refs 4th c.BC+]; φ. φιλοσοφία[Refs]; οἱ φ. λόγοι falsa lectio for{οἱ φυσιολόγοι}, [Refs]; φ. προτάσεις, opposed to ἠθικαί, λογικαί, [Refs]; τὸ φ., τὸ ἠθικόν, τὸ λογικόν, the three branches of philosophy, [Refs 4th c.BC+]; τὰ πρῶτα καὶ -ώτατα the primal elements of things, [Refs 1st c.AD+]
__II.2 ὁ φ. an inquirer into nature, natural philosopher, [Refs 4th c.BC+]: especially of the Ionic and other pre-Socratic philosophers, [Refs 3rd c.BC+]; ὁ φυσικώτατος, of Thales, [Refs 2nd c.AD+]
__II.2.b army surgeon, uncertain in [Refs]
__II.3 ἡ φ. ἀκρόασις, title of a treatise by [Refs 4th c.BC+]; τὰ φυσικά, a name given to his physical treatises, [Refs]
__II.4 adverb -κῶς according to the laws of nature, [Refs]: comparative -ώτερον εἰπεῖν [Refs]
__III later, belonging to occult laws of nature, magical, φ. φάρμακα spells or amulets, [Refs 5th c.BC+]. adverb -κῶς[Refs]

_{LSJ Scripture Refs: Rom.1.26}