signoff

is likely misspelled.

has no English definition.

As a noun signoff

is the act or process of signing off (approving with a signature).

As nouns the difference between sign and signoff

is that sign is a visible indication while signoff is the act or process of signing off (approving with a signature).

As a verb sign

is to make a mark.

As nouns the difference between signoff and logoff

is that signoff is the act or process of signing off (approving with a signature) while logoff is the process of logging off.

As nouns the difference between signoff and endorse

is that signoff is the act or process of signing off (approving with a signature) while endorse is a diminutive of the pale, usually appearing in pairs on either side of a pale.

As a verb endorse is

to support, to back, to give one's approval to, especially officially or by signature.

As a noun signoff

is the act or process of signing off (approving with a signature).

As a verb approve is

to sanction officially; to ratify; to confirm.

As an adjective authorized

is allowed.

As a verb authorized

is (authorize).

As a noun signoff is

the act or process of signing off (approving with a signature).

As nouns the difference between partner and signoff

is that partner is someone who is associated with another in a common activity or interest while signoff is the act or process of signing off (approving with a signature).

As a verb partner

is to make or be a partner.

As nouns the difference between bid and signoff

is that bid is an offer at an auction, or to carry out a piece of work while signoff is the act or process of signing off (approving with a signature).

As an initialism BID

is Bis in die: twice a day, two times per day.

As a verb bid

is to issue a command; to tell.

As nouns the difference between signature and signoff

is that signature is a person’s name, written by that person, used to signify approval of accompanying material, such as a legal contract while signoff is the act or process of signing off (approving with a signature).

As an adjective signature

is distinctive, characteristic indicative of identity.