Noun /ɪˈməʊʃ(ə)n/
a strong feeling deriving from one's circumstances, mood, or relationships with others

Synonyms: feeling, sentiment, sensation, passion, intensity, warmth

Antonyms: coldness, indifference, intellect

she was attempting to control her emotions

Adjective /ˈɡɪlti/
culpable of or responsible for a specified wrongdoing

Synonyms: culpable, to blame, blameworthy, blameable, at fault, in the wrong

Antonyms: innocent, unrepentant

he was found guilty of manslaughter

Adjective /ˈɪnəs(ə)nt/
not guilty of a crime or offence

Synonyms: guiltless, guilt-free, not guilty, blameless, not to blame, in the clear

Antonyms: guilty, sinful, worldly, malignant

the prisoners were later found innocent

Adjective /ɪˈnɒkjʊəs/
not harmful or offensive

Synonyms: harmless, safe, non-dangerous, non-poisonous, non-toxic, non-irritant

Antonyms: harmful, obnoxious

it was an innocuous question

Adjective /ˈparəlɛl/
(of lines, planes, or surfaces) side by side and having the same distance continuously between them

Synonyms: side by side, aligned, collateral, equidistant, similar, analogous

Antonyms: different, dissimilar, divergent

parallel lines never meet

Adjective /hɒrɪˈzɒnt(ə)l/
parallel to the plane of the horizon; at right angles to the vertical

Synonyms: parallel, level, even, straight, plane, flush

Antonyms: vertical, upright

a horizontal line

Adjective /ˌpəːp(ə)nˈdɪkjʊlə/
at an angle of 90° to a given line, plane, or surface or to the ground

Synonyms: upright, vertical, erect, plumb, straight, straight up and down

Antonyms: horizontal

dormers and gables that extend perpendicular to the main roofline

Adjective /ɪˈnɪʃ(ə)l/
existing or occurring at the beginning

Synonyms: beginning, opening, commencing, starting, inceptive, embryonic

Antonyms: final

our initial impression was favourable

Noun /kɒnsəlˈteɪʃ(ə)n/
the action or process of formally consulting or discussing

Synonyms: discussion, dialogue, discourse, debate, negotiation, conference

they improved standards in consultation with consumer representatives

Noun /ˈpɛn(ə)lti/
a punishment imposed for breaking a law, rule, or contract

Synonyms: punishment, sanction, punitive action, retribution, penance, disadvantage

Antonyms: reward, advantage

the charge carries a maximum penalty of ten years' imprisonment

Verb /ˈpʌnɪʃ/
inflict a penalty or sanction on (someone) as retribution for an offence, especially a transgression of a legal or moral code

Synonyms: penalize, discipline, mete out punishment to, bring someone to book, teach someone a lesson, make an example of

Antonyms: pardon, exonerate

I have done wrong and I'm being punished for it

Noun /rɪˈwɔːd/
a thing given in recognition of service, effort, or achievement

Synonyms: recompense, prize, prize money, winnings, purse, award

the holiday was a reward for 40 years' service with the company

Adjective /ˈbʌmpi/
(of a surface) uneven, with many patches raised above the rest

Synonyms: uneven, rough, irregular, bouncy, uncomfortable

Antonyms: smooth, level, comfortable, consistent, settled

the car jolted on the bumpy road

Adjective /ˈweɪvi/
having a form or edge that smoothly curves in and out

Synonyms: curling, curly, curvy, curving, curved, undulating

Antonyms: straight

she had long, wavy hair

Adjective /ˈvʌɪəl(ə)nt/
using or involving physical force intended to hurt, damage, or kill someone or something

Synonyms: brutal, vicious, savage, harsh, rough, aggressive

Antonyms: gentle, weak, mild

a violent confrontation with riot police

Adjective /fɪəs/
having or displaying an intense or ferocious aggressiveness

Synonyms: ferocious, savage, vicious, aggressive, cut-throat, competitive

Antonyms: gentle, tame, mild

fierce fighting continued throughout the day

Verb /ɡləʊ/
give out steady light without flame

Synonyms: shine, radiate, shed a glow, radiate heat, burn without flames, smoulder

Antonyms: pale

the tips of their cigarettes glowed in the dark

Adjective /ˈreɪdɪənt/
sending out light; shining or glowing brightly

Synonyms: shining, bright, illuminated, lit, lighted, brilliant

Antonyms: dark, dull, gloomy

a bird with radiant green and red plumage

Adjective /tɔːt/
stretched or pulled tight; not slack

Synonyms: tight, tightly stretched, stretched, rigid, stressed, not slack

Antonyms: slack, loose, relaxed, verbose

the fabric stays taut without adhesive

Adjective /slak/
not taut or held tightly in position; loose

Synonyms: loose, limp, not taut, not tight, hanging, flapping

Antonyms: tight, stretched, taut, toned, firm

a slack rope