Oxymorons

Oxymorons : They are a combination of (usually neighbouring) contradictory words.
Examples:
pretty ugly, working holiday, minor crisis, great depression, free trade, living dead, old news, peace force, near miss, only choice, constant variable, open secret, act naturally, liquid gas, found missing, virtual reality, etc

WORDLIST-1

Laconic
Part of Speech: noun
Meaning: to the point;concise
Antonyms: elaborate
Synonyms: terse
Usage: Let the speech be laconic else you'll bore the audience.

Lacerate
Part of Speech: verb
Meaning: tear as with a sword or glass
Antonyms:
Synonyms:
Usage: The thief was severly lacerated by the barbed wire fencing around the house which he overlooked at night.

Larceny
Part of Speech: noun
Meaning: theft
Antonyms:
Synonyms:
Usage: He is absconding since the time he was charged with larceny of confidential documents.

Lachrymose
Part of Speech: adjective
Meaning: tearful
Antonyms:
Synonyms:
Usage: I became lachrymose when I woke up from a bad dream.

Larder
Part of Speech: noun
Meaning: pantry;place where food is kept
Antonyms:
Synonyms:
Usage: Keep the larder clean to prevent pest and rodent infestation.

IDIOMS-1

A month of Sundays - a long period of time: I haven't played guitar in a month of Sundays.

Average Joe - a very ordinary person: Its very tough for an Average Joe to survive in a competitive world.

By the skin of your teeth - just manage to do something,near to failing: I passed my Biology exam by the skin of my teeth.

Burning daylight - wasting time: Stop burning daylight,and engage yourself in some productive job.

Busman's holiday - spend your free time doing the same work that you do in your job: Since the time my manager issued me an office laptop,the weekends have become Busman's holiday for me.