un·nec·es·sar·y 
(ŭn-nĕsĭ-sĕr′ē)
(ŭn-nĕsĭ-sĕr′ē)adj.
Not necessary; needless.
un·nec′es·sari·ly (-sârə-lē) adv.
- radicchio
- radices
- radicle
- radii
- radio
- radio-
- radioactive
- radioactive decay
- radioactively
- radioactive series
- radioactivity
- radio astronomy
- radio beacon
- radio beam
- radiobiological
- radiobiologist
- radiobiology
- radiobroadcast
- radiocarbon
- radiocarbon dating
- radiochemical
- radiochemistry
- radio collar
- radio compass
- radioecological