busier

As a noun terms

is .

As an adjective busier is

(busy).

As adjectives the difference between busier and undefined

is that busier is (busy) while undefined is lacking a definition or value.

As adjectives the difference between busy and busier

is that busy is crowded with business or activities; having a great deal going on while busier is comparative of busy.

As a verb busy

is to make somebody busy, to keep busy with, to occupy, to make occupied.

As a noun busy

is {{cx|slang|UK|Liverpool|derogatory|lang=en}} A police officer.

As adjectives the difference between busiest and busier

is that busiest is superlative of busy while busier is comparative of busy.

As an adjective busier is

(busy).

As a noun buster

is someone who or something that bursts, breaks, or destroys a specified thing.

As a proper noun Buster

is {{surname}.

As an adjective busier is

comparative of busy.

As a noun busser

is assistant waiter; one who busses.

As an adjective busier is

comparative of busy.

As adjectives the difference between bushier and busier

is that bushier is comparative of bushy while busier is comparative of busy.

As a verb busies

is third-person singular of busy.

As an adjective busier is

comparative of busy.

As a noun burier

is one who buries.

As an adjective busier is

comparative of busy.