strengthen

In transitive terms the difference between strengthen and sustain

is that strengthen is to augment; to improve; to intensify while sustain is to confirm, prove, or corroborate.

As a noun sustain is

a mechanism which can be used to hold a note, as the right pedal on a piano.

As a noun add

is .

As a verb strengthen is

(lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.

Better is a synonym of strengthen.

As verbs the difference between better and strengthen

is that better is to improve while strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.

As an adjective better

is (good).

As an adverb better

is .

As a noun better

is an entity, usually animate, deemed superior to another; one who has a claim to precedence; a superior or better can be .

Gird is a synonym of strengthen.

As verbs the difference between gird and strengthen

is that gird is to bind with a flexible rope or cord or gird can be to jeer at while strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.

As a noun gird

is a sarcastic remark.

In transitive terms the difference between strengthen and extend

is that strengthen is to augment; to improve; to intensify while extend is to straighten (a limb).

In intransitive terms the difference between strengthen and extend

is that strengthen is to grow strong or stronger while extend is to possess a certain extent.

As a verb strengthen is

(lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.

In transitive terms the difference between strengthen and stiffen

is that strengthen is to augment; to improve; to intensify while stiffen is to make stiff.

In intransitive terms the difference between strengthen and stiffen

is that strengthen is to grow strong or stronger while stiffen is to become stiff.

Strengthen is a related term of prepare.

As verbs the difference between strengthen and prepare

is that strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while prepare is .

Strengthen is a synonym of support.

In transitive terms the difference between support and strengthen

is that support is to be accountable for, or involved with, but not responsible for while strengthen is to augment; to improve; to intensify.

As a noun support

is something which supports. Often used attributively, as a complement or supplement to.