Quick Definition
hard
Strong's Definition
used only in composition as a prefix; hard, i.e. with difficulty
Derivation: a primary inseparable particle of uncertain derivation;
KJV Usage: + hard, + grievous, etc
Thayer's Greek Lexicon
δυς(, an inseparable prefix conveying the idea of difficulty, opposition, injuriousness or the like, and corresponding to our mis-, un- (Curtius, § 278); opposed to εὖ.
Mounce Concise Greek Dictionary
not given
Abbott-Smith Greek Lexicon
δυσ -,
inseparable prefix, opp . to εὖ , like un-, mis- (in unrest, mischance ), giving the idea of difficulty, opposition, injuriousness, etc.
STEPBible — Tyndale Abridged Greek Lexicon
δυσ-
inseparable prefix, opposite to εὖ, like un-, mis- (in unrest, mischance), giving the idea of difficulty, opposition, injuriousness, etc.
(AS)