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| a gadget; dingus; thingumbob. |
| the offspring of a zebra and a donkey. |
| keep up | |
| —vb (often foll by with) | |
| 1. | (tr) to maintain (prices, one's morale) at the present level |
| 2. | (intr) to maintain a pace or rate set by another |
| 3. | to remain informed: to keep up with technological developments |
| 4. | (tr) to maintain in good condition |
| 5. | (tr) to hinder (a person) from going to bed at night: the excitement kept the children up well past their bedtime |
| 6. | keep it up to continue a good performance |
| 7. | keep one's chin up to keep cheerful under difficult circumstances |
| 8. | keep one's end up to maintain one's stance or position against opposition or misfortune |
| 9. | keep up with to remain in contact with, esp by letter |
| 10. | informal keep up with the Joneses to compete with one's neighbours in material possessions, etc |
"The word prob. belongs primarily to the vulgar and non-literary stratum of the language; but it comes up suddenly into literary use c.1000, and that in many senses, indicating considerable previous development." [OED]Meaning "financially support and privately control" (usually in ref. to mistresses) is from 1560. The noun meaning "innermost stronghold of a tower" is from 1586, perhaps a translation of It. tenazza, with a notion of "that which keeps" (someone or something); the sense of "food required to keep a person or animal" is attested from 1801. Keepsake is first recorded 1790, on model of namesake; thus an object kept for the sake of the giver. For keeps "completely, for good" is Amer.Eng. colloquial, from 1861. Keeper "one who has charge of some person or thing, warden" is from c.1300; sense of "one who carries on some business" is from c.1440.
keep up
Also, keep up with. Proceed at the same pace, continue alongside another, as in We try to keep up with the times. [First half of 1600s] This usage, also put as keep pace, appears in the phrase keeping up with the Joneses, which was coined in 1913 by cartoonist Arthur R. Momand for the title of a series in the New York Globe. It means "trying to match the lifestyle of one's more affluent neighbors or acquaintances." For example, Their buying a new van is just another attempt to keep up with the Joneses.
Support, sustain, as in They're trying to keep up their spirits while they wait for news of the crash. [Late 1600s] Also see keep one's chin up.
Maintain in good condition, as in Joan really kept up the property. [Mid-1500s] This usage also appears in the idiom keep up appearances, meaning "to maintain a good front, make things look good even if they're not," as in She was devastated by his bad prognosis but is trying hard to keep up appearances for their children. [Mid-1700s]
Persevere, carry on, prolong, as in Keep up the good work, or How long will this noise keep up? [Early 1500s] Also see keep it up.
Also, keep up with; keep up on. Stay in touch, remain informed. For example, Ann and I haven't seen each other since college, but we keep up through our annual Christmas letters, or We subscribe to three papers so as to keep up on current events. [c. 1900]
keep someone up. Cause someone to remain out of bed, as in He's keeping up the children beyond their bedtime. [Mid-1700s]