eye-wateringly

Adverb

 * 1) In a manner or to a degree that causes one’s eyes to water or tear up, often due to an emotional situation or sentimental feelings, or due to shocking or exciting events.
 * 2) * 2016,, quoted in Abby Ohlheiser, “Why the Internet’s biggest conspiracy theories don’t make mathematical sense,” , 28 January, 2016,
 * I hope that by showing how eye-wateringly unlikely some alleged conspiracies are, some people will reconsider their anti-science beliefs.
 * 1) * 2016,, quoted in Abby Ohlheiser, “Why the Internet’s biggest conspiracy theories don’t make mathematical sense,” , 28 January, 2016,
 * I hope that by showing how eye-wateringly unlikely some alleged conspiracies are, some people will reconsider their anti-science beliefs.
 * 1) * 2016,, quoted in Abby Ohlheiser, “Why the Internet’s biggest conspiracy theories don’t make mathematical sense,” , 28 January, 2016,
 * I hope that by showing how eye-wateringly unlikely some alleged conspiracies are, some people will reconsider their anti-science beliefs.

Usage notes
This adverb is only used to modify adjectives, not verbs. As can be seen in some of the quotations above, it is increasingly used as a generic intensive, more or less equivalent to extremely.