Childrens Illustrated Thesaurus

124

A B C D E G H I J K L M N O P Q R S T U V W X Y Z

F

invincible

invincible

adjective unable to be defeated

» When the defending

champion is playing well,

he is invincible.

impregnable, indomitable,

unbeatable, indestructible,

insurmountable,

unassailable

invisible

adjective unable to be seen

» Hugo’s face was invisible

beneath his hat.

concealed, disguised,

hidden, inconspicuous,

unseen, imperceptible,

indiscernible

antonym: visible

involve

verb to have as a necessary

part » Preparing for an

exam involves a great deal

of discipline.

incorporate, require, take or

take in, entail, necessitate

irrational

adjective not based on logical

reasons » Her fear of ghosts

is irrational – they don’t exist.

absurd, crazy, illogical,

nonsensical, unsound,

silly, unreasonable

irregular^1

adjective not smooth or even

▲ SEE ABOVE

irregular^2

adjective not forming a regular

pattern » Stephen worked

irregular hours.

erratic, haphazard,

occasional, patchy,

random, variable,

fitful, sporadic

antonym: regular

irresponsible

adjective not concerned with

the consequences of your

actions » His irresponsible

attitude often got him into

trouble with his parents.

careless, reckless,

thoughtless, wild

antonym: responsible

irritable

adjective easily annoyed

» My mother had slept badly

and was tense and irritable.

bad-tempered,

cantankerous, petulant,

ratty (Britain and New

Zealand; informal), touchy,

irascible, tetchy

irritate

verb to annoy someone

» Nathan’s tuneless whistling

always irritates me.

anger, annoy, bother,

exasperate, irk, needle

(informal), ruffle, wind up

(informal), gall, provoke

issue^1

noun a subject that people are

talking about » There were

several issues to be discussed

at the teacher-parent meeting.

concern, matter, problem,

question, subject, topic

issue^2

noun a particular edition

of a newspaper or magazine

» Jade bought the latest issue

of her favourite magazine.

copy, edition, instalment

issue^3

verb to make a formal

statement » They have issued

a statement explaining what

really happened.

deliver, give, make,

pronounce, read out,

release

antonym: withdraw

issue^4

verb to give something officially

» Teachers will be issued

with passes to get into the

staff room.

equip, furnish (formal),

give out, provide, supply

item^1

noun one of a collection or

list of things » When Chloe

opened her suitcase, several

items were missing.

article, matter, point, thing

item^2

noun a newspaper or magazine

article » There was an item

in the paper about his daring

rescue of the cat.

article, feature, notice,

piece, report

Jade bought the latest issue

of her favourite magazine.

irregular

(^1) adjective not smooth or even » The gingerbread
men came out of the oven in irregular shapes.
asymmetrical
The arms are
asymmetrical.
jagged
The broken arm
has a jagged edge.
bumpy
The head is
all bumpy.
lumpy
This looks
all lumpy.
ragged
The ragged edges
were stuck to the tin.
antonym:
regular
But this one looks
just like a regular
gingerbread man!
uneven
This one is uneven
in colour; it’s
burned in places.
lopsided
This one is lopsided with
one short arm and leg.
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