An insect of the order Hemiptera (the “true bugs”).
Any of various species of marine or freshwater crustaceans; e.g. a Morton Bay bug, mudbug.
Any insect, arachnid, or other terrestrial arthropod that is a pest. Example: These flies are a bother. I’ll get some bug spray and kill them.
Any insect, arachnid, myriapod or entognath.
(chiefly computing and engineering jargon) A problem that needs fixing. Example: The software bug led the computer to calculate 2 plus 2 as 3.
A contagious illness; a bacterium or virus causing it Example: He’s got the flu bug.
An enthusiasm for something; an obsession Example: I caught the skiing bug while staying in the Alps.
A keen enthusiast or hobbyist.
A concealed electronic eavesdropping or intercept device Example: We installed a bug in her telephone.
A small and usually invisible file (traditionally a single-pixel image) on a World Wide Web page, primarily used to track users. Example: He suspected the image was a Web bug used for determining who was visiting the site.
A small, usually transparent or translucent image placed in a corner of a television program to indicate what network or cable channel is televising it Example: Channel 4's bug distracted Jim from his favorite show.
A manually positioned marker in flight instruments.
A semi-automated telegraph key.
Hobgoblin, scarecrow; anything that terrifies.
("the bug") HIV.
A limited form of wild card in some variants of poker.
A trilobite.
A young apprentice jockey.
To annoy. Example: Don’t bug me, I’m busy!
To install an electronic listening device or devices in. Example: We need to know what’s going on. We’ll bug his house.
A microfossil, particularly a foraminiferan.
All clues having "BUG"
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You can find a list of possible crossword clues for BUG below.