Strong's #3811: la'ah (pronounced law-aw')
 a primitive root; to tire; (figuratively) to be (or make) disgusted:--faint, grieve, lothe, (be, make) weary (selves).
Brown-Driver-Briggs Hebrew Lexicon:
 
  lâ'âh 
 
 1) to be weary, be impatient, be grieved, be offended
 
 1a) (Qal) to be weary, be impatient
 1b) (Niphal) to be tired of something, weary oneself
 1c) (Hiphil) to weary, make weary, exhaust
 
  Part of Speech: verb
Relation: a primitive root
Usage:
This word is used 19 times:
Genesis 19:11: "with blindness, both small and great:  so that they wearied themselves to find the door."
Exodus 7:18: "and the river shall stink; and the Egyptians  shall loathe of the water of the river."
Job 4:2: "If we attempt to commune with  thee, wilt thou be grieved? but who can withhold himself from speaking?"
Job 4:5: "now it is come upon  thee, and thou faintest; it toucheth thee, and thou art troubled."
Job 16:7: "But now  he hath made me weary: thou hast made desolate all my company."
Psalms 68:9: "whereby thou didst confirm thine inheritance,  when it was weary."
Proverbs 26:15: "hideth his hand in his bosom;  it grieveth him to bring it again to his mouth."
Isaiah 1:14: "they are a trouble unto me;  I am weary"
Isaiah 7:13: "of David; Is it a small thing for  you to weary but will ye weary"
Isaiah 7:13: "you to weary but  will ye weary my God also?"
Isaiah 16:12: "it is seen that Moab  is weary on the high place, to"
Isaiah 47:13: " Thou art wearied in the multitude of thy counsels. Let now the astrologers, the stargazers,"
Jeremiah 6:11: "of the fury of the LORD;  I am weary with holding in: I will pour it out upon"
Jeremiah 9:5: "their tongue lies,  and weary themselves to commit iniquity."
Jeremiah 12:5: "thou hast run with the footmen,  and they have wearied thee, then how canst thou contend with"
Jeremiah 15:6: "against thee, and destroy  thee; I am weary with repenting."
Jeremiah 20:9: "fire shut up in my bones,  and I was weary with forbearing, and I could not"
Ezekiel 24:12: " She hath wearied herself with lies, and her great scum went not forth out of her: her scum"
Micah 6:3: "what have I done unto thee? and wherein  have I wearied thee? testify"