American Heritage Dictionary
(1)
Century Dictionary
(2)
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
For the hierarchical, universal socio-political-somatical-symbolic order system, the "I" is situated in the middle of infinite circles around him.— ilyagram
As NTP is also hierarchical, meaning servers that get their time from one machine can also use it to synchronize the time on other computers, in theory thousands of machines can be synchronized with just one NTP server receiving a UTC source.— Find Free Articles - ArticlesBase
The Coalition of Women for Peace is a non-hierarchical organization, managed by its monthly forum which is open to all women.— MRZine.org
Non-hierarchical, anti-authoritarian aspirations don't appear to be a serious concern for artist-run culture in decentre.— rabble.ca - News for the rest of us

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a month.
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