Causes of a ruptured, or perforated, eardrum may include: 1  Middle ear infection (otitis media). 2  A middle ear infection often results in the accumulation of fluids in your middle ear. 3  Pressure from these fluids can cause the eardrum to rupture.auses of a ruptured, or perforated, eardrum may include: 1  Middle ear infection (otitis media). 2  A middle ear infection often results in the accumulation of fluids in your middle ear. 3  Pressure from these fluids can cause the eardrum to rupture.
Wiktionary(3.00 / 1 vote)Rate this definition: 1  speculation(Noun) The process of thinking or meditating on a subject. 2  speculation(Noun) A judgment or conclusion reached by speculating. 3  speculation(Noun) An investment involving higher than normal risk in order to obtain a higher than normal return.
âº a plan to deceive someone, such as telling the police there is a bomb somewhere when there is not one, or a trick: The bomb threat turned out to be a hoax. He'd made a hoax call claiming to be the president. Thesaurus: synonyms and related words. Cheating & tricking. a numbers game idiom. bad faith. bamboozle.