open
— Adjective
– English
～ (set theory) of an interval that contains neither of its endpoints
open-air
— Adjective
– English
～ in the open air; "an alfresco lunch"; "an open-air theater"
open-eyed
— Adjective
– English
～ carefully observant or attentive; on the lookout for possible danger; "a policy of open-eyed awareness"; "the vigilant eye of the town watch"; "there was a watchful dignity in the room"; "a watchful parent with a toddler in tow"
open
— Adjective
– English
～ accessible to all; "open season"; "an open economy"
open
— Adjective
– English
～ without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
open
— Adjective
– English
～ with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound"
open
— Adjective
– English
～ not having been filled; "the job is still open"
open-ended
— Adjective
– English
～ allowing for a spontaneous response; "an open-ended question"
open
— Adjective
– English
～ having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
open-collared
— Adjective
– English
～ of a shirt; not buttoned at the neck; "dressed casually in shorts and an open-collared shirt"
open-ended
— Adjective
– English
～ without fixed limits or restrictions; "an open-ended discussion"
openbill
— Noun
– English
～ stork with a grooved bill whose upper and lower parts touch only at the base and tip
opencast mining
— Noun
– English
～ the mining of ore or coal from an open mine
opencast
— Adjective
– English
～ (of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine"
opencut
— Adjective
– English
～ (of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine"
opened
— Adjective
– English
～ made open or clear; "the newly opened road"
opened
— Adjective
– English
～ not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table"
opened
— Adjective
– English
～ used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened"
opener
— Noun
– English
～ a hand tool used for opening sealed containers (bottles or cans)
opener
— Noun
– English
～ a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces"