Quick Definition
ἁπλότης, τητος, ἡ n.f. simplicity, sincerity, purity
Strong's Definition
from 573; singleness, i.e. (subjectively) sincerity (without dissimulation or self-seeking), or (objectively) generosity (copious bestowal)
KJV Usage: bountifulness, liberal(-ity), simplicity, singleness
UBS Dictionary of the Greek New Testament
noun, f. | -ητος | ἁπλοῦς · ἁπλῶς
88.44 · Moral and Ethical Qualities and Related Behavior · Honesty, Sincerity
sincerity, purity of motive the quality of sincerity as an expression of singleness of purpose or motivation
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
ἁπλότης haplotēs 8x
simplicity, sincerity, purity of mind, Rom. 12:8; 11:3; Eph. 6:5; Col. 3:22; liberality, as arising from simplicity and frankness of character, 2 Cor. 8:2; 9:11, 13; 11:3*
Abbott-Smith Greek Lexicon
ἀπλότης, -ητος, ή
(< ἁπλοῦς), [in LXX: II Ki 15:11 (תֹּם), I Ch 29:17 (לֵבָב ישֶׁר, ἁ. τῆς καρδίας, cf. Col 3:22, where v. Lft.), Wi 1:1, al.;]
simplicity, sincerity: Ro 12:8, II Co 11:3, Eph 6:5, Col 3:22; as manifested in generous, unselfish giving, liberality, graciousness: II Co 8:2 9:11, 13 (v. ICC, Ro., 12:8; Hort, Ja., 1:5, and v.s. ἁπλῶς).†
Moulton & Milligan — Vocabulary of the Greek NT
ἁπλότης. Kaibel 716° (Rome) ἤσκι τὴν ἁπλότητα, φίλους ὑπὲρ ἁτὸν ἐτίμα. The word is found OG/ZS 7642 (ii/A.D.) unfortunately with a /zatws both before and after. On its biblical use see Charles’s note on 7552. xit. patr. Iss. iii. 1.
Liddell-Scott-Jones — Greek-English Lexicon
ἁπλότης (haplotēs) — openness. ἁπλότης, ητος, ἡ, singleness, τῆς φωνῆς[Refs 4th c.BC+]
II. simplicity, πόλεως[Refs 5th c.BC+]
II.2. of persons, simplicity, frankness, sincerity, [NT+5th c.BC+]
II.3. open-heartedness: hence, liberality, [Refs]