From tamam; entire (literally, figuratively or morally); also (as noun) integrity, truth -- without blemish, complete, full, perfect, sincerely (-ity), sound, without spot, undefiled, upright(-ly), whole.
see HEBREW tamam
H8549. tamim
תָּמִים91 adjective complete, sound; — ׳ת Genesis 6:9 +; feminine תְּמִימָה Leviticus 3:9 +; construct תְּמִים Job 36:4; 37:16; plural תְּמִימִים Ezekiel 43:25 +; תְּמִימֹת Leviticus 23:15; construct תְּמִימֵי Psalm 119:1; Proverbs 11:20; —
1 complete, whole, entire, Job 36:4 דֵעוֺת תְּמִים, 37:16.
2 whole, sound healthful, of men Proverbs 1:12 ("" חַיִּים); vine Ezekiel 15:5; usually of sacrificial P, P; Exodus 12:5 40t., so Ezekiel 43:22 10t.
3 complete, entire, of time: day Joshua 10:13; year Leviticus 25:30; Sabbaths 23:15.
4 sound, wholesome, unimpaired, innocent, having integrity: of God's way Psalm 18:31 = 2 Samuel 22:31; work Deuteronomy 32:4; law Psalm 19:8; elsewhere of man Genesis 6:9; 17:1 (P; both "" אלהים (לִפְנֵי) אֵת הִתְהַלֵח); ׳ת י ׳עם Deuteronomy 18:13; Psalm 18:24, with ל in "" 2 Samuel 22:24; often with דֶּרֶח way: ת ׳דֶּרֶח Psalm 101:2; ׳ת בִּדְרָכֶ֫יךָ Ezekiel 28:15; דָ֑רֶח תְּמִימֵי Proverbs 11:20; Psalm 119:1; ת ׳וַיַּתֵּר דרכו 2 Samuel 22:33 "" דַּרְכִּי ת ׳וַיִּתֵּן Psalm 18:33; ת בדרך ׳הלך 101:6; דֶּרֶח omitted, תמים הלך, Proverbs 28:18; Psalm 15:2; ת ׳לב 119:80; = noun (late), man of integrity Proverbs 11:5; Job 12:4; plural Proverbs 2:21; 28:10; Psalm 37:18.
5 as neuter adjective = substantive what is complete, entirely in accord with truth and fact: ת בֵר ׳דֹּ Amos 5:10; וּבְת עֲשִׂיתֶם׳אִםבֶּֿאֱמֶת Judges 9:16, 19; ׳י ׳בְּת וּבֶאֱמֶת עִבְדוּ Joshua 24:14 (E); integrity ת ׳גְּבַר Psalm 18:26 (construct Ges§ 93s; "" 2 Samuel 22:26 גִּבּוֺת), 2Sam 84:12; בְּת ׳הֹלְכִים. — 1 Samuel 14:41 see תֹּם 4