nnoun.personsomeone who systematically obstructs some action that others want to takeSynset:obstructionist obstructor resister thwarter
Derivationally Related Form:resistobstructionismobstructthwart
Hypernyms:controversialist disputant eristic
Inherited Hypernyms:obstructionistdisputantpersoncausal agentphysical entityentity
Inherited Hypernyms:obstructionistdisputantpersonorganismliving thingwholeobjectphysical entityentity
Direct Hyponyms:naysayerstonewaller
Full Hyponyms:naysayerstonewallertechnophobe
nnoun.artifactany structure that makes progress difficultSynset:impediment impedimenta obstruction obstructor
Derivationally Related Form:impedeobstruct
Hypernyms:construction structure
Inherited Hypernyms:obstructionstructureartifactwholeobjectphysical entityentity
Direct Hyponyms:barbarrierblockblockadeblockageclosureencumbrancehinderancehindrancehitchincumbranceinterferenceobstacleocclusionpreventativepreventivestopstoppagetumbler
Full Hyponyms:backstopbannisterbarbarn doorbarricadebarrierbatwingbi-fold doorblockadeblockagebreakwaterbreechblockbulwarkbungbunkercar doorcargo doorcargo hatchchainlink fencechicaneclogcorkcrash barrierdamdoordouble doordrainplugdry wallearplugfencefenderfife railfipplefire doorfolding doorfrench doorfrench windowgategrategrillehatchhatchbackhazardhead gatehedgehindrancehurdleinterior doorleverlock-gatelychgatemilldammovable barriermudguardobstacleparty wallpicket fencepinplugportcullisposternprivet hedgerail fencerailingretaining wallrevetmentrevolving doorroadblocksafety railscreen doorsliding doorspeed bumpstarting gatestone wallstorm doorstumbling blockswing doortaffrailtail gatetailgatetampaxtampiontampontaptollgatetrap doortumblerturnpiketurnstilevapor lockwallwater hazardwater jumpweirwicketwindbreakworm fence