1. [ noun ] metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
Related terms: device ignition_key latchkey passkey shank
2. [ adjective ] serving as an essential component
Synonyms: central fundamental cardinal primal

"a cardinal rule" "the central cause of the problem" "an example that was fundamental to the argument" "computers are fundamental to modern industrial structure"

Related terms: important
3. [ noun ] (psychology) something crucial for explaining

"the key to development is economic integration"

Related terms: explanation
4. [ noun ] (music) pitch of the voice

"he spoke in a low key"

Related terms: pitch
5. [ verb ] as in botany or biology, for example
Synonyms: identify describe name distinguish key_out discover
Related terms: name identity classify
6. [ noun ] (music) any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
Synonyms: tonality
Related terms: atonality musical_notation home_key minor_key major_key
7. [ adjective ] effective; producing a desired effect
Synonyms: operative

"the operative word"

Related terms: significant
8. [ noun ] (architecture) the central building block at the top of an arch or vault
Synonyms: headstone keystone
Related terms: building_block quoin arch
9. [ noun ] one thousand grams; the basic unit of mass adopted under the System International d'Unites
Synonyms: kg kilo kilogram

"a kilogram is approximately 2.2 pounds" "they were carrying two keys of heroin"

Related terms: metric_weight_unit myriagram hectogram
10. [ noun ] a list of answers to a test

"some students had stolen the key to the final exam"

Related terms: list
11. [ verb ] (music) regulate the musical pitch of
Related terms: harmonize harmonize music
12. [ verb ] (music) harmonize with or adjust to

"key one's actions to the voters' prevailing attitude"

Related terms: harmonize
13. [ noun ] (geography) a coral reef off the southern coast of Florida
Synonyms: Florida_keys cay
Related terms: coral_reef Florida
14. [ noun ] Last name, frequency rank in the U.S. is 796
15. [ verb ] vandalize a car by scratching the sides with a key

"His new Mercedes was keyed last night in the parking lot"

Related terms: vandalize
16. [ noun ] (law,verse,work,writing) United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner' (1779-1843)
Synonyms: francis_scott_key
Related terms: lawyer poet
17. [ noun ] a list of words or phrases that explain symbols or abbreviations
Related terms: list key_word
18. [ noun ] a generic term for any device whose possession entitles the holder to a means of access

"a safe-deposit box usually requires two keys to open it"

Related terms: positive_identification
19. [ verb ] provide with a key

"We were keyed after the locks were changed in the building"

Related terms: supply
20. [ noun ] (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court
Synonyms: paint

"he hit a jump shot from the top of the key" "he dominates play in the paint"

Related terms: space basketball_court foul_line basketball
21. [ noun ] (botany) a winged often one-seed indehiscent fruit as of the ash or elm or maple
Synonyms: key_fruit samara
Related terms: achene
22. [ noun ] a kilogram of a narcotic drug

"they were carrying two keys of heroin"

Related terms: kilogram cant
23. [ noun ] mechanical device used to wind another device that is driven by a spring (as a clock)
Synonyms: winder
Related terms: mechanical_device watch_key wind
24. [ noun ] (computer science) a lever that actuates a mechanism when depressed
Related terms: lever telegraph_key backspace_key control_key return_key space_bar tab_key keyboard action
Similar spelling:   Keo