- to come into opposition, as one thing with another, especially with the effect of hampering action or procedure (often followed by with): Constant distractions interfere with work.
- to take part in the affairs of others; meddle (often followed by with or in): to interfere in another's life.
- (of things) to strike against each other, or one against another, so as to hamper or hinder action; come into physical collision.
- to interpose or intervene for a particular purpose.
- to strike one foot or leg against another in moving, as a horse.
- to obstruct the action of an opposing player in a way barred by the rules.
- Football.to run interference for a teammate carrying the ball.
- Physics. to cause interference.
- to clash; come in collision; be in opposition: The claims of two nations may interfere.
- Law. to claim earlier invention when several patent requests for the same invention are being filed.
- interfere with, Chiefly British. to molest sexually.
Origin of interfere
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for interfere
However, it can interfere seriously with blood thinners and should never be taken with other antidepressant drugs.Fish Oil, Turmeric, and Ginseng, Oh My! Are ‘Brain Foods’ B.S.?
Dr. Anand Veeravagu, MD
October 10, 2014
And go easy on fiber, which in large amounts can interfere with ovulation.Exercise and Fertility: Are You Too Fit to Get Pregnant?
August 1, 2014
Last December, Khamenei said publicly he would not interfere in the negotiations and would leave the details to the diplomats.Iran Supreme Leader Spills the Nuke Talk Secrets
July 12, 2014
Karzai did interfere with the negotiations at several points, in order to protect his own interests.CIA Chief, White House Chief of Staff Long Argued the Taliban 5 Could Go Free
Josh Rogin, Eli Lake
June 7, 2014
In fact, Gallardón went out of his way to say that he did not think Partido Popular should interfere with gay marriage.Why Does Spain Love Gay Marriage But Hate Abortion?
March 7, 2014
No man ventured to interfere with this lawful exercise of his authority.Philothea
Lydia Maria Child
"I shall not interfere with that arrangement," said the lawyer, misunderstanding his object.Brave and Bold
Even she always stopped soon, if she undertook to interfere with Malbone.Malbone
Thomas Wentworth Higginson
We have never any wish to interfere in the political conditions of any other countries.
Henry moved forward to interfere once more, but this time he was not needed.Way of the Lawless
- (often foll by in) to interpose, esp meddlesomely or unwarrantedly; intervene
- (often foll by with) to come between or in opposition; hinder; obstruct
- (foll by with) euphemistic to assault sexually
- to strike one against the other, as a horse's legs
- physics to cause or produce interference
Word Origin and History for interfere
mid-15c., "to strike against," from Middle French enterferer "to strike each other," from entre- "between" (see entre-) + ferir "to strike," from Latin ferire "to knock, strike," related to Latin forare "to bore, pierce" (see bore (v.), and cf. punch (v.), which has both the senses "to hit" and "to make a hole in"). Figurative sense of "to meddle with, oppose unrightfully" is from 1630s. Related: Interfered; interfering.