1) Abandon – Leave
2) Brevity – Conciseness
3) Casual – Occasional, careless
4) Reluctant – Unwilling, hesitant
5) Rampant – Violent, aggressive
6) Presume – Suppose, assume
7) Harass – Annoy
8) Jargon – Slang
9) Recalcitrant – Stubborn, obstinate
10) Slander – Scandal, defamation
11) Pseudonym – Fictitious name, pen-name
12) Trenchant – Sharp, vigorous, keen
13) Inanimate – Lifeless
14) Acute – Keen, sharp, clever
15) Inveterate – Habitual, long established
16) Condense – Compress, to become dense
17) Valour – Bravery, gallantry
18) Hypocrisy – A false pretension
19) Shy – Bashful, coy
20) Luxuriant – Abundant, profuse
21) Calamity – Disaster, adversity
22) Brevity – Conciseness
23) Casual – Occasional, careless
24) Reluctant – Unwilling, hesitant
25) Rampant – Violent, aggressive