Dubious adj. Hesitating or doubting. Not to be relied upon; suspect. “He seemed dubious about the idea.”

Slavish adj. Showing no originality; blindly imitative: “A slavish copy of the original work.”

Ambivalent; Ambivalence adj. Having mixed feelings or contradictory ideas about something or someone. “She has ambivalent feelings about the relationship.”

Reciprocal; Reciprocate adj. Done or performed in return: “Reciprocal respect.”

Frugal; Frugality adj. Economical with regard to money or food. Simple and plain that costs very little: “A frugal meal.”

Docile adj. Submissive. Ready to accept control or instruction. “The dog was very docile around children.”

Gravitas [grav·i·tas] n. Dignity, seriousness, or solemnity in manner. “He has the necessary gravitas to lead the company.”

Incendiary adj. Designed to cause fires. “An incendiary device.”

Dismal [dis·mal] adj Gloomy. Depressing; dreary. “The business was a dismal failure;” “Dismal weather.”

Provenance [prov·e·nance] n. The beginning of something’s existence; something’s origin. The place of origin or earliest known history of something. “An exquisite vase of Chinese provenance.”