| Idiom | Meaning | Example | 
| fall-out | 
harmful effects, continuing effects
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We still feel the fall-out from his negative speech on abortion.
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| fall short | 
not able to do as well as planned
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I'm falling short of my career goals because I've been ill.
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| fall through | 
not happen, not succeed, not come off, not pan out
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His plans to write a novel fell  through because he didn't get a government grant.
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| fall through the cracks | 
not be included, be overlooked, leave out
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These children fell through the cracks. They didn't learn to read.
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| fall to pieces | 
be unable to talk or reply, be overwhelmed
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When I see Mario, I just fall to pieces. He's so handsome!
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| fallen woman | 
prostitute, hooker
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The priest was trying to save the fallen women in his parish.
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| falling in love | 
beginning to feel love, being in love
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They say that falling in love is wonderful - marvelous!
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| falling out | 
(See a falling out)
 | 
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| false move | 
(See a false move)
 | 
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| familiarity breeds contempt | 
a friend may dislike you    if you do not respect his or her privacy
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Don't call Margaret Maggie. Remember, familiarity breeds contempt.
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