1) righteous, observing divine laws
1a) in a wide sense, upright, righteous, virtuous, keeping the commands of God
1a1) of those who seem to themselves to be righteous, who pride themselves to be righteous, who pride themselves in their virtues, whether real or imagined
1a2) innocent, faultless, guiltless
1a3) used of him whose way of thinking, feeling, and acting is wholly conformed to the will of God, and who therefore needs no rectification in the heart or life
1a3a) only Christ truly
1a4) approved of or acceptable of God
1b) in a narrower sense, rendering to each his due and that in a judicial sense, passing just judgment on others, whether expressed in words or shown by the manner of dealing with them
Part of Speech: adjective
Citing in TDNT: 2:182, 168
From G1349; equitable (in character or act); by implication innocent, holy (absolutely or relatively): - just, meet, right (-eous).
|b be put right with||34.47|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root δίκαιος; click on the second column to search for that grammatical form of the root δίκαιος; click on the third column to search for that word and grammatical form; click on the total to search for the root δίκαιος.