5-letter words starting with O

100 words · most common first (shown in gold) · meaning + pronunciation for each

1. OASIS/oʊˈeɪsɪs/a fertile tract in a desert (where the water table approaches the surface)
2. OCCUR/əˈkɝ/come to pass
3. OCEAN/ˈoʊʃən/a large body of water constituting a principal part of the hydrosphere
4. OFFER/ˈɔfɚ/make available or accessible, provide or furnish
5. OFTEN/ˈɔfən/many times at short intervals
6. OLDER/ˈoʊldɚ/advanced in years; (`aged' is pronounced as two syllables)
7. OLIVE/ˈɑləv/of a yellow-green color similar to that of an unripe olive
8. OMAHA/ˈoʊməˌhɑ/a member of the Siouan people formerly living in the Missouri river valley in northeastern Nebraska
9. OMEGA/oʊˈmɛɡə/the ending of a series or sequence
10. ONION/ˈʌnjən/the bulb of an onion plant
11. OPENS/ˈoʊpənz/(OPEN) cause to open or to become open
12. OPERA/ˈɑpɹə/a drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and…
13. ORBIT/ˈɔɹbət/the (usually elliptical) path described by one celestial body in its revolution about another
14. ORDER/ˈɔɹdɚ/give instructions to or direct somebody to do something with authority
15. ORGAN/ˈɔɹɡən/a fully differentiated structural and functional unit in an animal that is specialized for some particular…
16. OSCAR/ˈɔskɚ/an annual award by the Academy of Motion Picture Arts and Sciences for achievements in motion picture…
17. OTHER/ˈʌðɚ/not the same one or ones already mentioned or implied
18. OUGHT/ɔt/See Aught. 1. Was or were under obligation to pay; owed
19. OUTER/ˈaʊtɚ/being on the outside or further from a center
20. OWNED/oʊnd/having an owner; often used in combination
21. OWNER/ˈoʊnɚ/(law) someone who owns (is legal possessor of) a business
22. OXIDE/ˈɑˌksaɪd/any compound of oxygen with another element or a radical
23. OZONE/ˈoʊˌzoʊn/a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by…
24. OAKED/oʊkt/(OAK) the hard durable wood of any oak; used especially for furniture and flooring
25. OAKEN/ˈoʊkən/consisting of or made of wood of the oak tree
26. OAKER/ˈoʊkɚɹ/(OAK) the hard durable wood of any oak; used especially for furniture and flooring
27. OAKUM/ˈoʊkəm/loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk…
28. OARED/ɔɹd/Furnished with oars; -- chiefly used in composition; as, a four- oared boat
29. OASES/oʊˈeɪsiz/(OASIS) a fertile tract in a desert (where the water table approaches the surface)
30. OASTS/oʊsts/(OAST) a kiln for drying hops
31. OATEN/oʊn/of or related to or derived from oats
32. OATER/ˈoʊɾɚɹ/(OAT) annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the…
33. OATES/oʊts/English conspirator who claimed that there was a Jesuit plot to assassinate Charles II (1649-1705)
34. OATHS/oʊðz/(OATH) profane or obscene expression usually of surprise or anger
35. OAVES/oʊvz/(OAF) an awkward stupid person
36. OBEAH/ˈoʊbə/(West Indies) followers of a religious system involving witchcraft and sorcery
37. OBELI/ˈoʊbli/(OBELUS) A mark [thus ---, or ÷]; -- so called as resembling a needle
38. OBESE/oʊˈbis/excessively fat
39. OBEYS/oʊˈbeɪz/(OBEY) be obedient to
40. OBIED/ˈɑbid/(OBY) See Obi
41. OBITS/ˈoʊbɪts/(OBIT) a notice of someone's death; usually includes a short biography
42. OBOES/ˈoʊboʊz/(OBOE) a slender double-reed instrument; a woodwind with a conical bore and a double-reed mouthpiece
43. OBOLE/ˈɑboʊl/A weight of twelve grains; or, according to some, of ten grains, or half a scruple
44. OBOLI/ˈɑbɑli/(OBOLUS) a Greek unit of weight equal to one tenth of a gram
45. OCCAM/ˈɑkæm/English scholastic philosopher and assumed author of Occam's Razor (1285-1349)
46. OCHER/ˈɑʃɚɹ/a moderate yellow-orange to orange color
47. OCHNA/ˈɑtʃnə/type genus of Ochnaceae; evergreen trees and shrubs of Old World tropics
48. OCHOA/ˌɑˈtʃoʊə/United States biochemist (born in Spain) who studied the biological synthesis of nucleic acids (1905-1993)
49. OCHRE/ˈoʊkɚ/any of various earths containing silica and alumina and ferric oxide; used as a pigment
50. OCHRY/ˈɑkɹi/variant of OCHERY — Ocherous. [Written also ochrey, ochry.]
51. OCREA/ɑkɹˈiə/variant of OCHREA — A greave or legging. 2. (Bot.) A kind of sheath formed by two stipules united round a stem
52. OCTAD/ˈɑktæd/the cardinal number that is the sum of seven and one
53. OCTAL/ˈɑktəl/of or pertaining to a number system having 8 as its base
54. OCTET/ɑˈktɛt/the cardinal number that is the sum of seven and one
55. OCTIC/ˈɑktɪk/Of the eighth degree or order
56. OCTYL/ˈɑktaɪl/A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its…
57. OCULI/ˈɑkjʊlˌaɪ/(OCULUS) the organ of sight
58. ODALS/ˈoʊdəlz/(ODAL) Among the early and medieval Teutonic peoples, esp
59. ODDER/ˈɑdɚ/(ODD) not divisible by two
60. ODDLY/ˈɑdli/in a manner differing from the usual or expected
61. ODEON/ˈoʊdiən/A kind of theater in ancient Greece, smaller than the dramatic theater and roofed over, in which poets and…
62. ODESA/ˈoʊdɛsə/a port city of south central Ukraine on an arm of the Black Sea
63. ODETS/ˈɑdɪts/United States playwright (1906-1963)
64. ODEUM/oʊdˈiəm/variant of ODEON — A kind of theater in ancient Greece, smaller than the dramatic theater and roofed over, in which poets and…
65. ODIST/ˈoʊdɪst/a poet who writes odes
66. ODIUM/ˈoʊdiəm/state of disgrace resulting from detestable behavior
67. ODORS/ˈoʊdɚz/(ODOR) any property detected by the olfactory system
68. ODOUR/ˈoʊdɚ/the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in…
69. ODYLE/ˈɑdɪl/variant of OD — a hypothetical natural force once thought to pervade all nature
70. ODYLS/ˈɑdɪlz/(ODYL) See Od. [Archaic]
71. OELET/ˈoʊlɪt/An eye, bud, or shoot, as of a plant; an oilet
72. OFFAL/ˈɔfəl/viscera and trimmings of a butchered animal often considered inedible by humans
73. OFFED/ɔft/(OFF) from a particular thing or place or position (`forth' is obsolete)
74. OFTER/ˈɔftɚɹ/Compar. of Oft. [Obs.] Chaucer
75. OGAMS/ˈɑɡæmz/(OGAM) Same as Ogham
76. OGDEN/ˈɑɡdən/English psychologist who collaborated with I. A. Richards in designing Basic English (1889-1957)
77. OGEED/ˈoʊdʒid/(OGEE) a molding that (in section) has the shape of an S with the convex part above and the concave part below
78. OGEES/ˈoʊdʒiz/(OGEE) a molding that (in section) has the shape of an S with the convex part above and the concave part below
79. OGHAM/ˈɑɡæm/A particular kind of writing practiced by the ancient Irish, and found in inscriptions on stones, metals, etc
80. OGIVE/ˈɑɡɪv/front consisting of the conical head of a missile or rocket that protects the payload from heat during its…
81. OGLED/ˈoʊɡəld/(OGLE) look at with amorous intentions
82. OGLER/ˈɑɡlɚɹ/a viewer who gives a flirtatious or lewd look at another person
83. OGLES/ˈoʊɡəlz/(OGLE) look at with amorous intentions
84. OGRES/ˈoʊɡɚz/(OGRE) a cruel wicked and inhuman person
85. OHING/oʊɪŋ/(OH) a midwestern state in north central United States in the Great Lakes region
86. OHMIC/ˈoʊmɪk/of or relating to or measured in ohms
87. OILED/ɔɪld/treated with oil
88. OILER/ˈɔɪlɚ/a worker who oils engines or machinery
89. OINKS/ɔɪŋks/(OINK) the short low gruff noise of the kind made by hogs
90. OINTS/ɔɪnts/(OINT) To anoint. [Obs.] Dryden
91. OKAPI/ˈɑkæpi/similar to the giraffe but smaller with much shorter neck and stripe on the legs
92. OKAYS/ˌoʊˈkeɪz/(OKAY) being satisfactory or in satisfactory condition
93. OKEHS/ˈoʊkeɪz/(OKEH) an endorsement
94. OKRAS/ˈoʊkɹəz/(OKRA) long green edible beaked pods of the okra plant
95. OLDEN/ˈoʊldən/long past
96. OLDIE/ˈoʊldi/a song that was formerly popular
97. OLEIC/ˈoʊlɪk/Pertaining to, derived from, or contained in, oil; as, oleic acid, an acid of the acrylic acid series found…
98. OLEIN/ˈoʊlin/a naturally occurring glyceride of oleic acid that is found in fats and oils
99. OLENT/ˈoʊlənt/Scented. [R.] R. Browning
100. OLEOS/ˈoʊlɪˌoʊz/(OLEO) a spread made chiefly from vegetable oils and used as a substitute for butter