obsess

As verbs the difference between focus and obsess

is that focus is to cause (rays of light, etc) to converge at a single point while obsess is to be preoccupied with a single topic or emotion.

As a noun focus

is (countable|optics) a point at which reflected or refracted rays of light converge.

As verbs the difference between dedicate and obsess

is that dedicate is to set apart for a deity or for religious purposes; consecrate while obsess is to be preoccupied with a single topic or emotion.

As an adjective dedicate

is (obsolete) dedicated; set apart; devoted; consecrated.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb obsess is

to be preoccupied with a single topic or emotion.

As verbs the difference between imbue and obsess

is that imbue is (transitive): to wet or stain an object completely with some physical quality while obsess is to be preoccupied with a single topic or emotion.

As verbs the difference between obsess and infatuate

is that obsess is to be preoccupied with a single topic or emotion while infatuate is to inspire with unreasoning love or attachment.

As an adjective infatuate is

(obsolete) infatuated; full of unreasoning love or attachment.

In transitive terms the difference between obsess and engross

is that obsess is to dominate the thoughts of someone while engross is to completely engage the attention of.

As verbs the difference between obsess and engross

is that obsess is to be preoccupied with a single topic or emotion while engross is (finalize) To write (a document) in large, aesthetic, and legible lettering; to make a finalized copy of.

As verbs the difference between absorb and obsess

is that absorb is to include so that it no longer has separate existence; to overwhelm; to cause to disappear as if by swallowing up; to incorporate; to assimilate; to take in and use up while obsess is to be preoccupied with a single topic or emotion.

As a verb obsess

is to be preoccupied with a single topic or emotion.

As a noun pregorexia is

a condition where a pregnant mother is obsessed with being thin.

As verbs the difference between obsess and fetishize

is that obsess is to be preoccupied with a single topic or emotion while fetishize is to make a fetish of; to obsess over.