Synonyms for Experimental

Synonyms starting with letter O

• observational

  preliminary
• original

  innovative
• offbeat

  unfamiliar
• on approval

  exploratory
• objective
• observed
• other
• operative
• orderly
• odd
• on the QT
• on the sly
• on the drawing board

  preliminary
• off-centre

  unfamiliar
• old
• off-off Broadway
• open for consideration
• originating
• on trial
• open to consideration
• outline
• outward-looking
• out of the ordinary