ex-, e-, ef-

(Latin: a prefix occurring in words of Latin origin used in the senses: out, out of, from; upward; completely, entirely; to remove from, deprive of; without; former [said of previous holders of office or dignity])

Before f, ex- becomes ef-; before all voiced consonants (as b, d, g, etc.) ex- becomes e-.

expect (ik SPEKT) (verb), expects; expected; expecting
1. To look forward to, plan on, look for, anticipate: "The skiers expected deep snow in this winter."
2. Demand, look for, require, count on: "The company expects promptness of every employee."
3. Assume, presume, calculate, contemplate: "I expect to see her here soon."
4. Etymology: from the 1550's, "wait, defer action"; from Latin expectare/exspectare, "await, look out for, desire, hope"; from Latin expectare, "look out for", from ex-, "out" + spectare, "to look".

expectancy (s) (noun), expectancies (pl)
expectant (adjective)
expectantly (adverb)
expectation (s) (noun), expectations (pl)
expectorant (s) (noun), expectorants (pl)
1. Promoting or facilitating the secretion or expulsion of phlegm, mucus, or other matter from the respiratory tract.
2. A medication that helps bring up mucus and other material from the lungs, bronchi, and trachea.

An example of an expectorant is guaifenesin (expectorant drug used to thin mucus and sputum) which promotes drainage of mucus from the lungs by thinning the mucus and also lubricates the irritated respiratory tract.

Sometimes the term expectorant is incorrectly extended to any cough medicine. It comes from the Latin expectorare, "to expel from the chest"; from ex-, "out of" + pectus, "chest".

expectorate (verb), expectorates; expectorated; expectorating
1. To eject from the throat or lungs by coughing and spitting.
2. To eject saliva, mucus, or other body fluid from the mouth; to spit.
3. To clear out the chest and lungs by coughing up and spitting out matter; such as, mucous.
4. To cough up and spit out phlegm, thus clearing the bronchial passages.
5. Etymology: "to clear out the chest or lungs," from Latin expectoratus, past participle of expectore, "scorn, expel from the mind"; litterally "to make a clean breast" from ex-, "out" + pectus, "breast, chest".

Use as a euphemism for "spit" is first recorded 1827.

expectoration (s) (noun), expectorations (pl)
1. The process of coughing up and spitting out.
2. The act of spitting and forcefully expelling saliva.
3. A polysyllabic word for sputum or the act of bringing up and spitting out sputum.
expectorative (adjective)
Having the quality of promoting expectoration.
expectorative (s) (noun), expectoratives (pl)
expectorator (s) (noun), expectorators (pl)
1. A person who spits, or ejects saliva or phlegm from the mouth.
2. Someone who expels matter; such as, phlegm, from the throat or lungs by coughing and spitting it out.
expedient (ik SPEE dee uhnt) (s) (noun), expedients (pl)
1. Something which is suitable or advantageous for a situation: Admittedly, the neon sign is disturbing, but it's a necessary expedient for attracting more people to Kermit's store.
2. A means to an end: Mack used a hidden key as a useful expedient to get into his house because he forgot to take his regular set of keys with him when he went shopping.
3. An objective that is devised or employed as a procedure to achieve a desire; not necessarily an honest one: The governing body was accused of choosing short-term expedients instead of practical economic policies.

The criminal resorted to shady expedients in order to rob banks.

4. Etymology: from Latin, "to free (a person’s) feet from fetters"; an antonym of "impede"; hence, "to free from difficulties, to help forward, to get (a work) completed, to dispatch, to send off", etc.
A means used in an emergency as a temporary action.
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expedient (adjective), more expedient, most expedient
1. A reference to an effort to come up with a quick solution or an effective approach to a potential problem: The speaker found it expedient to lecture from his notes and not to depend on his memory.

Frank told his son to be calm, do the right thing, and not to hurry too quickly in order to make an expedient decision.

2. Conveying some proposed or desired objective; fit or suitable for the purpose; proper under the circumstances: Jim thinks it is an expedient idea that he and his wife go home now because the storm could get worse.
A reference to something that is advantageous in achieving a desired objective.
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Relating to a convenient purpose.
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expediently (adverb)
A reference to something that is contrived or used to meet an urgent need.
expedite (EK spi dight") (verb), expedites; expedited; expediting
1. To complete or to accomplish quickly and efficiently: Using postal codes on letters and packages expedites the delivery of mail and Mollie was so glad that the envelope with her birthday greetings was sent the day before to her mother and it was expedited via the mail service.
2. To deal with something, especially a business transaction, swiftly and efficiently: Jim was told by his insurance company that it would expedite the processing of his insurance claim as soon as possible.
3. Etymology: from Latin expeditus, past participle of expedire, "to make fit or ready, to prepare"; literally, "free the feet from fetters"; hence, "to liberate from difficulties"; from ex-, "out" + pedis "fetter, chain for the feet"; related to pes, pedis, "foot".

When anyone expedites anything, he or she is actually "freeing" the feet for faster action.

To speed up the progress of something.
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To quicken the process of accomplishing a departure.
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