(lʌst) n. 1. intense sexual desire or appetite. 2. uncontrolled or illicit sexual desire. 3. a passionate or overwhelming desire or craving (usu. fol. by for): a lust for power. 4. ardent enthusiasm; zest; relish: a lust for life.
http://www.thefreedictionary.com/lust
Lust [N] [B] sinful longing; the inward sin which leads to the falling away from God ( Romans 1:21 ). Lust, the origin of sin, has its place in the heart, not of necessity, but because it is the centre of all moral forces and impulses and of spiritual activity.. In Mark 4:19 lusts are objects of desire.
http://www.biblestudytools.com/dictionary/lust/
Word Origin and History for lust. n. Old English lust desire, appetite, pleasure, from Proto-Germanic *lustuz (cf. Old Saxon, Old Frisian, Dutch, German lust, Old Norse lyst, Gothic lustus pleasure, desire, lust), from PIE *las- to be eager, wanton, or unruly (cf. Latin lascivus wanton, playful, lustful; see lascivious).
http://www.dictionary.com/browse/lust
Top definition. in lust. To be in lust with someone is to crave someone sexually or physically without necessarily liking their personality or who they are. Basically a physical version of in love.
http://www.urbandictionary.com/define.php?term=in%20lust
The feeling of wanting someone up against your skin and lips so badly that it makes you hurt inside. The feeling between the two of you is so magnetic and strong that you can't contain it. It's not just sex. It's the want and the need to be physically close to someone that you feel so passionately about it's unreal.
http://www.urbandictionary.com/define.php?term=Lust
full of or motivated by lust, greed, or the like: He was an emperor lustful of power. 2. having strong sexual desires; lecherous; libidinous. 3. Archaic. lusty. Origin of lustful.
http://www.dictionary.com/browse/lustful
intense sexual desire or appetite. 2. uncontrolled or illicit sexual desire or appetite; lecherousness. 3. a passionate or overmastering desire or craving (usually followed by for): a lust for power.
http://www.dictionary.com/browse/lust
However, in Scripture, as translated in the New International Version, the word is used for a strong desire that is negative and forbidden. Indeed, the unregenerate are governed and controlled by deceitful lusts or desires ( Eph 2:3 ; 4:22 ; Col 3:5 ; Titus 2:12 ).
http://www.biblestudytools.com/dictionary/lust/
A large physical attraction for an individual, that is sometimes uncontrollable and completely unreasonable. Often confused with love. Lust is not love if you don't wish to anything other than have sex with someone.
http://www.urbandictionary.com/define.php?term=Lust
In these instances the New International Version does not translate the word as lust.. Rather, it is translated as desire,  longing,  and the like. The context surrounding the word lends to this translation in such instances.
http://www.biblestudytools.com/dictionary/lust/
lustful definition urban dictionary
In Urban Dictionary, lustful is a large physical attraction for an individual, that is sometimes uncontrollable and completely unreasonable. As per the urban dictionary lustful is a large physical attraction for an individual, that is sometimes uncontrollable and completely unreasonable. 