Part of speech: Adjective (satellite)
characterized by directness in manner or speech
Example: without subtlety or evasion; blunt talking and straight shooting; a blunt New England farmer; I gave them my candid opinion; forthright criticism; a forthright approach to the problem; tell me what you think--and you may just as well be frank; it is possible to be outspoken without being rude; plainspoken and to the point; a point-blank accusation
Part of speech: Adverb
directly and without evasion
Example: not roundabout; to face a problem squarely; the responsibility lies squarely with them; spoke forthright (or forthrightly) and to the point
Candid, Plainspoken, Free-spoken, Straight-from-the-shoulder, Blunt
The word "forthright" comes from Old English forþrihte. It started in Middle English forthright. Then it appeared in Old English forþriht. Later, people used it in Middle English forþright.
forth#Adverb – A related word in the same word family.
right#Etymology_1 – A related word in the same word family.
Old English had grammatical genders for nouns, like German does today.