strengthen

In transitive terms the difference between strengthen and straighten

is that strengthen is to augment; to improve; to intensify while straighten is to clarify a situation or concept to (an audience).

In intransitive terms the difference between strengthen and straighten

is that strengthen is to grow strong or stronger while straighten is to stand up, especially from a sitting position.

Strengthen is a related term of lengthen.

As verbs the difference between strengthen and lengthen

is that strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while lengthen is to make longer, to extend the length of.

In transitive terms the difference between strengthen and widen

is that strengthen is to augment; to improve; to intensify while widen is to broaden or extend in scope or range.

In intransitive terms the difference between strengthen and widen

is that strengthen is to grow strong or stronger while widen is to become wide or wider.

Strengthen is a related term of enlarge.

As verbs the difference between strengthen and enlarge

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

In transitive terms the difference between amplify and strengthen

is that amplify is to increase the amplitude of something, especially of an electric current while strengthen is to augment; to improve; to intensify.

Buttress is a synonym of strengthen.

As verbs the difference between strengthen and buttress

is that strengthen is to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while buttress is to support something physically with, or as if with, a prop or buttress.

As a noun buttress is

a brick or stone structure built against another structure to support it.

Strengthen is a related term of raise.

As verbs the difference between strengthen and raise

is that strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while raise is (label) to cause to rise; to lift or elevate.

As a noun raise is

(us) an increase in wages or salary; a rise (uk).

In transitive terms the difference between renew and strengthen

is that renew is to begin again; to recommence while strengthen is to augment; to improve; to intensify.

As verbs the difference between refine and strengthen

is that refine is to reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy; to separate from extraneous matter; to purify while strengthen is to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.

In intransitive terms the difference between strengthen and harden

is that strengthen is to grow strong or stronger while harden is to become hard (tough, resistant to pressure).

As verbs the difference between strengthen and harden

is that strengthen is to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while harden is to become hard (tough, resistant to pressure).