Akademik

vary
v. (-ies, -ied)
1 tr. make different; modify, diversify (seldom varies the routine; the style is not sufficiently varied).
2 intr. a undergo change; become or be different (the temperature varies from 30° to 70°). b be of different kinds (his mood varies).
3 intr. (foll. by as) be in proportion to.
Derivatives:
varyingly adv.
Etymology: ME f. OF varier or L variare (as VARIOUS)

Useful english dictionary. 2012.