n.
a tractor-trailer: she pulled into the path of a semi
Oxford American Dictionary
n.
a semi-detached house: a three-bedroomed semi
Oxford Dictionary
adj.
unable to read or write with ease or fluency; poorly educated: a high proportion of the population is still relatively poor and semi-literate n.
a person who is poorly educated or unable to read or write with ease or fluency.
Oxford Dictionary
adj.
(of a country, state, or community) having a degree of, but not complete, self-government: one of Spain's 17 semi-autonomous regions
Oxford Dictionary
adj.
stiff and solid, but not inflexible: a semi-rigid polyethylene hose
Oxford Dictionary
adj.
combining formal and informal elements: in the semi-formal atmosphere irritations can be aired n.
a social event at which semi-formal clothing is expected: it had organized its own spring semi-formal at a nearby hotel
Oxford Dictionary
adj.
partially automatic: a semi-automatic gearbox n.
a semi-automatic firearm: my Browning semi-automatic
Oxford Dictionary
adj.
(of food) only slightly sweetened: semi-sweet chocolates
Oxford Dictionary