pipe dream
A desire or idea which is unlikely to materialize, or a plan which is unlikely to work; a near impossibility.
I think that his plan to become a professional athlete is a pipe dream and that he should stay in school.
ADJ
underground
gas, sewage, waste, water
The city had to replace all the old sewage pipes under the main street last year.
brake, central heating, hose (also hosepipe) | drainage, drain (also drainpipe) | exhaust, inlet, outfall, outflow, outlet, overflow, service, supply | blocked, broken, burst, cracked, frozen, leaking | concrete, copper, iron, lead, metal, plastic, steel
QUANT
length
We need to cut several lengths of pipe for the new bathroom installation.
VERB + PIPE
lay, run
We need to run new pipes through the walls before we can install the kitchen.
connect
insulate, lag
We need to lag the pipes in the basement before winter arrives.
PIPE + VERB
lead, pass through sth, run
Water pipes run beneath the street to supply homes in the neighborhood.
burst, freeze, leak
PIPE + NOUN
cutter, fitter | insulation
PREP
through a/the ~
~ for
The plumber installed a new pipe for the kitchen sink yesterday.
~ from, ~ to
Water flows through the pipe to the kitchen sink every morning.
ADJ
clay | peace
VERB + PIPE
smoke | light | fill | draw on, puff away at/on, puff on
knock out
She knocked out her pipe before entering the museum.
PIPE + NOUN
smoker | tobacco | rack
PHRASES
the bowl/stem of a pipe