obstacles, blockages, hindrances, impediments, hazards, encroachments, sinkage, debris, barriers, bottlenecks, ruts, roadblocks, boulders, berming, centerlines, macadamized, egress, overgrowth, detours, barricades, vehicular traffic, defects, potholes, egresses, clutter, constrictions, harborage, kinking, tracheobronchial, waviness, soakaway, shoaling, potholing, arteriovenous, passageways, drainage, protrusions, discriminations, ingress, sheave, crossway, rills, driveways, posthole, walkways, gradients, levelness, ramps, thrombi, ostium, humps, lacunas, nuisances, swales, deadfall, dividers, opacities, cogging, obtrusiveness, revetments, dislodgement, inconveniences, manoeuver, attenuation, sastrugi, cartway, emboli, nasolacrimal duct, interference, auditory canal, hatchways, junctions, irritants, drains, railings, foxtails, seracs, shelterbelts, ureters, tangles, furring, limitations, bollards, shrubbery, graveling, constraints, imperfections, unsightliness, disturbances, falsework, anchorages, roadbeds, blockades, asperities, rockface, planarity, recanalization, pylons, poles, delineator, pannus, cones, obstruction, blockage, discontinuities, irritations, leakages, discomforts, disruptions, faults, flaws, handicaps, irritant

., clear, cleared, cross-country jumping, cross-country riding, openness, smooth, smooth out, uncleared, unclogged, unclutter