Pinter’s work, namely his plays, frequently contained awkward pauses, ambiguous or confusing language and circuitous or endlessly wandering plots. He used these techniques to present the unreliability of language which was a theme explored by post-structuralists, deconstructionists and postmodernists. That is to say that language is based on arbitrary signs and each text, each word or each sign can be interpreted differently because of puns, irony and the general subjectivity of perception. So, his work illustrated one of the trends in postmodernism, as applied to literature, linguistics, philosophy and psychology, that all communication is ambiguous and subject to multiple ways of interpretation.
Additionally, postmodernists were skeptical of all systems of thought, government ideologies and cultural roles. In presenting confusing dialogue and wandering plots, Pinter illustrated skepticism in language, meaning and communication in real life. Some of his plays, such as The Birthday Party, depicted a Naturalistic or Realist setting on the surface. But the dialogue, plot and interaction of the characters unsettled this superficial Realism to reveal a depiction of existence as absurd, indeterminable and skeptical at all levels. These techniques mark the influences of Brecht and Beckett, the skepticism of postmodern literature and the “slipperiness” of meaning described by post-structural linguists and literary theorists.