This is what the New Testament says about things outside of normal married life. The word homosexual did not exist until 1892 instead the Bible uses words like lasciviousness, lust, uncleanness and fornication.
"And likewise also the men, leaving the natural use of the woman, burned in their lust one toward another; men with men working that which is unseemly, and receiving in themselves that recompence of their error which was meet." Rom 1:27
"Now these things were our examples, to the intent we should not lust after evil things, as they also lusted." 1Cr 10:6
"This I say then, Walk in the Spirit, and ye shall not fulfil the lust of the flesh." Gal 5:16
"Not in the lust of concupiscence even as the Gentiles which know not God:" 1Th 4:5
"Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death." Jam 1:15
"Whereby are given unto us exceeding great and precious promises: that by these ye might be partakers of the divine nature, having escaped the corruption that is in the world through lust." 2Pe 1:4
"For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world." 1Jo 2:16
"And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever." 1Jo 2:17
“when we walked in lasciviousness, lusts, excess of wine, revellings, banquetings, and abominable idolatries” 1 Peter 4:3
“have not repented of the uncleanness and fornication and lasciviousness” 2 Corinthians 12:21
“Who being past feeling have given themselves over unto lasciviousness, to work all uncleanness with greediness” Ephesians 4:19
“the works of the flesh are manifest, which are these; Adultery, fornication, uncleanness, lasciviousness…” Galatians 5:19
“ungodly men, turning the grace of our God into lasciviousness” Jude 1:4
"And he said, That which cometh out of the man, that defileth the man. For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders, thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness. All these evil things come from within, and defile the man." Mar 7:20