скучновато

In a sentence

• Этот фильм был немного скучноват, но всё равно интересный.

  This movie was a bit boring, but still interesting.

  Here, 'скучноват' describes the quality of the movie, indicating that it was somewhat boring yet redeemable.

• На вечеринке стало скучновато, люди начали расходиться.

  The party became a bit dull, and people started leaving.

  Here, 'скучноват' describes the atmosphere of the party, implying it turned slightly monotonous.

• После часа ожидания разговор стал скучноват.

  After an hour of waiting, the conversation became slightly boring.

  Here, 'скучноват' characterizes a conversation as losing its engaging nature over time.