"to be sound, in health, Lk. 5:31; 7:10; to be safe and sound, Lk. 15:27; 3 Jn. 2; met. to be healthful or sound in faith, doctrine, etc., Tit. 1:9, 13; 2:1, 2; sound, pure, uncorrupted, 1 Tim. 1:10; 6:3; 2 Tim. 1:13; 4:3*"
Definition and meaning
to be sound, in health, Lk. 5:31; 7:10; to be safe and sound, Lk. 15:27; 3 Jn. 2; met. to be healthful or sound in faith, doctrine, etc., Tit. 1:9, 13; 2:1, 2; sound, pure, uncorrupted, 1 Tim. 1:10; 6:3; 2 Tim. 1:13; 4:3*
In the original Greek the word is written: ὑγιαίνω
Historical context
Luke wrote as a historian addressing a Greek audience. He carefully interviewed eyewitnesses and arranged events in order. The social and economic realities he describes — Roman taxation, Jewish religious hierarchy, the marginalization of women and the poor — are consistent with first-century Judea under Roman administration.
The people who first heard this word were not reading a book — they were living through empires, oppression, exile, and covenant. Every word carried the weight of that reality. Understanding it changes how you read Scripture.
Scripture references
These are the most notable occurrences of hygiaino (G5198) across the King James Bible.
And Jesus answering said unto them, They that are whole need not a physician; but they that are sick.
And they that were sent, returning to the house, found the servant whole that had been sick.
And he said unto him, Thy brother is come; and thy father hath killed the fatted calf, because he hath received him safe and sound.
For whoremongers, for them that defile themselves with mankind, for menstealers, for liars, for perjured persons, and if there be any other thing that is contrary to sound doctrine;
If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness;
Hold fast the form of sound words, which thou hast heard of me, in faith and love which is in Christ Jesus.
For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;
Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.
This witness is true. Wherefore rebuke them sharply, that they may be sound in the faith;
But speak thou the things which become sound doctrine:
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Common questions
Strong's G5198 (hygiaino) is a Greek word that means: to be sound, in health, Lk. 5:31; 7:10; to be safe and sound, Lk. 15:27; 3 Jn. 2; met. to be healthful or sound in faith, doctrine, etc., Tit. 1:9, 13; 2:1, 2; sound, pure, uncorrupted, 1 Tim. 1:10; 6... It appears 12 times in the King James Bible.
The word hygiaino (G5198) appears 12 times in the original Greek text.
Strong's G5198 is hygiaino, a Greek word defined as: to be sound, in health, Lk. 5:31; 7:10; to be safe and sound, Lk. 15:27; 3 Jn. 2; met. to be healthful or sound in faith, doctrine, etc., Tit. 1:9, 13. James Strong catalogued this in his 1890 concordance to help English readers study the original languages of the Bible.
hygiaino is a Greek word found in the New Testament.