untoppedadj.
Etymology: un- prefix1 2.Previous versions of the OED give the stress as: unˈtopped.
the world > plants > part of plant > head or heart > [adjective] > having a head or top
1864 R. L. De Coin 273 You will leave [tobacco] plants untopped enough to produce all the seeds you may want.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2019).