| A | B |
| irrefutable | cannot be disproved |
| irrelevant | not to the point; not relating to the subject |
| jargon | the specialized vocabulary of members of a group or a profession |
| judicious | wise; careful; showing sound judgment; prudent |
| kindle | to ignite; to arouse or inspire; to catch fire; to become aroused |
| labyrinth | a maze; a complicated, perplexing arrangement or course of affairs |
| lackluster | lacking brightness; dull; lacking liveliness, vitality or enthusiasm |
| laconic | brief or terse in speecy; using few words |
| lampoon (noun) | strong satirical writing, usually attacking or ridiculing someone |
| lampoon (verb) | to write a satire that attacks or ridicules someone |
| lassitude | state or feeling of being tired and listless; weariness |