intervenience†, interlocation†, interdigitation, interjection,
interpolation, interlineation, interspersion, intercalation.
[interposition at a fine-grained level] interpenetration;
permeation; infiltration.
[interposition by one person in another's affairs, at the
intervenor's initiative] intervention, interference; intrusion,
obtrusion; insinuation.
insertion &c 300; dovetailing; embolism.
intermediary, intermedium†; go between, bodkin†, intruder,
interloper; parenthesis, episode, flyleaf.
partition, septum, diaphragm; midriff; dissepiment†; party wall,
panel, room divider.
halfway house.
V. lie between, come between, get between; intervene, slide in,
interpenetrate, permeate.
put between, introduce, import, throw in, wedge in, edge in, jam
in, worm in, foist in, run in, plow in, work in; interpose, interject,
intercalate, interpolate, interline, interleave, intersperse,
interweave, interlard, interdigitate, sandwich in, fit in, squeeze in;
let in, dovetail, splice, mortise; insinuate, smuggle; infiltrate,
ingrain.
interfere, put in an oar, thrust one's nose in; intrude, obtrude;
have a finger in the pie; introduce the thin end of the wedge; thrust
in &c (insert) 300.
Adj. interjacent†, intercurrent†, intervenient†, intervening &c v.,
intermediate, intermediary, intercalary, interstitial; embolismal†.
parenthetical, episodic; mediterranean; intrusive; embosomed†;
merged.
Adv. between, betwixt; twixt; among, amongst; amid, amidst; mid, midst;
in the thick of; betwixt and between; sandwich-wise; parenthetically,
obiter dictum.