The word is usually spelled encumber, which means to hinder or hamper.

The police encumber drivers with late night roadblocks.

Emotions can encumber a scientist's research projects.

Fear of hurting the patient would encumber a surgeon's ability to perform operations.

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 7 words with the pattern I-C----R. That is, eight letter words with 1st letter I and 3rd letter C and 8th letter R. In alphabetical order, they are:

incenser

incensor

incenter

inceptor

incliner

incloser

incumber

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 8 words with the pattern I-CU----. That is, eight letter words with 1st letter I and 3rd letter C and 4th letter U. In alphabetical order, they are:

incubate

incubous

incudate

incumber

incurred

incurved

incurves

incusing

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-C--B-R. That is, eight letter words with 1st letter I and 3rd letter C and 6th letter B and 8th letter R. In alphabetical order, they are:

incumber

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 11 words with the pattern IN---B--. That is, eight letter words with 1st letter I and 2nd letter N and 6th letter B. In alphabetical order, they are:

inarable

incumber

inedible

inedibly

inglobed

inglobes

instable

interbed

intombed

inviable

inviably