Definition: The quality of being overly eager to please or serve someone, often in a way that is insincere or excessive.

Example: His obsequiousness towards his boss made his colleagues uncomfortable.

Definition: Someone who notices things quickly and pays attention to details.

Example: The observant student noticed the small changes in the teacher's mood.

Definition: A person who is attentive and notices things carefully.

Example: As an observant student, she quickly picked up on the teacher's hints.

Definition: In a way that shows careful attention to details or surroundings.

Example: She listened observantly to the instructions given by the teacher.

Definition: To think about something too much or to be so interested in something that it takes up a lot of your thoughts.

Example: She tends to obsess over her grades, worrying about them all the time.

Definition: Having an intense and persistent preoccupation or fixation on something or someone.

Example: She is obsessed with collecting rare stamps from around the world.

Definition: To have an extreme or unhealthy preoccupation with something or someone.

Example: She is obsessed with collecting rare stamps.

Definition: A strong and persistent focus on a particular idea, feeling, or activity that can be unreasonable and often causes anxiety.

Example: Her obsession with cleanliness made it difficult for her to relax in her own home.

Definition: Describing something that is characterized by an intense preoccupation or fixation on a particular idea or activity.

Example: His obsessional behavior made it difficult for him to focus on anything else.

Definition: In a way that shows an excessive preoccupation or fixation on something.

Example: She worked obsessionally on her project, often forgetting to take breaks.

Definition: Having an excessive or unreasonable preoccupation with something or someone.

Example: His obsessive focus on perfection made it hard for him to finish projects.

Definition: A person who has an excessive preoccupation or fixation on something, often to the point of it interfering with their daily life.

Example: He is an obsessive about cleanliness, spending hours cleaning his house every day.

Definition: In a way that shows excessive preoccupation or fixation on something.

Example: She obsessively checked her phone for messages throughout the meeting.