Ulterior/ʌlˈtɪriər/ Definition 1 of 2Pro Tip 1/3Sneaky Implication Use 'ulterior' to suggest someone is being sneaky or not fully honest. Despite his friendly smile, I could sense an ulterior intention. Pro Tip 2/3Doubt and Suspicion Implies the speaker feels doubt or suspicion about real motives. Her compliments were too frequent, hinting at ulterior motives. Pro Tip 3/3Reading Context Look for clues in the context that indicate someone's behavior doesn't match their true goals. He offered to help, likely with an ulterior purpose.