From G5056; (in various applications of labor, growth, mental and moral character, etc.); neuter (as noun, with G3588) completeness: - of full age, man, perfect.
Total KJV occurrences: 19
Thayer's Dictionary
Thayer Definition:
1) brought to its end, finished
2) wanting nothing necessary to completeness
3) perfect
4) that which is perfect
4a) consummate human integrity and virtue
4b) of men
4b1) full grown, adult, of full age, mature
Part of Speech: adjective
A Related Word by Thayer’s/Strong’s Number: from G5056