[ nas-tik ]

  1. of or showing sufficiently greater cellular force or growth on one side of an axis to change the form or position of the axis.

Origin of nastic

1900–10; <Greek nast(ós) pressed close, stamped down, firm (equivalent to nad- stem of nássein to press, squeeze + -tos past participle suffix, with dt>st) + -ic

Words Nearby nastic

Other definitions for -nastic (2 of 2)


  1. a combining form occurring in adjectives corresponding to nouns ending in -nasty: hyponastic.

Origin of -nastic

see origin at nastic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use nastic in a sentence