Pronunciation: /əbˈtus/
noun a type of angle that is greater than 90 degrees but less than 180 degrees
A1 I don't understand geometry, so I always struggle with identifying the obtuse angles.
A2 The teacher explained that an obtuse angle is greater than 90 degrees.
B1 In geometry, an obtuse angle measures between 90 and 180 degrees.
B2 The carpenter used an obtuse angle to create the corner of the table.
C1 The architect made sure to include obtuse angles in the design to add visual interest.
C2 The artist's painting featured a series of obtuse angles that created a sense of depth and movement.
adjective not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull
A1 The obtuse angle of the triangle measured 120 degrees.
A2 She had an obtuse understanding of the instructions and needed clarification.
B1 The student's obtuse response showed a lack of critical thinking skills.
B2 The detective realized the suspect was being obtuse in order to avoid answering the questions.
C1 The obtuse behavior of the politician raised suspicions among the public.
C2 Her obtuse attitude towards the project caused delays and frustration among the team members.
formal The student struggled to understand the obtuse angles in geometry class.
informal I don't get why he's being so obtuse about the situation.
slang Stop being so obtuse, just tell me what's really going on.
figurative Her obtuse behavior towards her friends eventually caused a rift in their relationship.
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