frequently_asked_questions_files/Oxford Thesaurus.pdf

was in peril.
perilous adj. dangerous, risky, hazardous, vulnerable, susceptible,
uncertain, insecure, unsafe, unsure: Why undertake such a
perilous journey alone?
perimeter n. boundary, border, borderline, margin, periphery, limit(s),
bounds, ambit, circumference, edge, verge, fringe(s), Archaic or
literary bourn or bourne: The perimeter of the military base is
patrolled by sentry dogs.
period n. 1 interval, time, term, span, duration, spell, space,
stretch; while; Colloq chiefly Brit patch: During the period of
his absence, his children had grown up. I waited a short period,
then phoned again. We went through a bad period last year. 2
era, days, epoch, aeon, age, years: During the Old English
period, very little was written down. 3 full stop: Place
periods at the ends of sentences.
periodic adj. periodical, intermittent, regular, recurrent, repetitive,
iterative, cyclic(al), repeated; episodic, sporadic, occasional:
We called in the plumber because of the periodic hammering in
the pipes. The next periodic return of Halley's comet is
expected in 2061-62.
periodical
n. magazine, journal, paper, publication, newsletter, organ,
serial, weekly, fortnightly, semi-monthly, monthly, bi-monthly,
quarterly, semi-annual, annual, yearbook, almanac, Rare
hebdomadal or hebdomadary: Nicole's story will soon be
published in an important literary periodical.
peripheral
adj. 1 incidental, unimportant, minor, secondary, inessential
or unessential, non-essential, unnecessary, superficial,
tangential, irrelevant, beside the point: Let's ignore the
peripheral issues for the time being and concentrate on the
important ones. 2 circumferential, external, perimetric,
outside, outer: The peripheral measurement of the figure is
seven inches.
periphery n. 1 perimeter, circumference, border, edge, rim, brim, ambit,
boundary, bound, margin: Trees will be planted along the