One can never be sure of one's paternity.

(informal) Used to draw attention to a possible double entendre in the immediately preceding utterance of another speaker.

simple past tense and past participle of Italianate

a good deed is its own reward

Alternative form of iotacist

plural of itacist

(mineralogy) A porous yellow sandstone that is flexible when cut into thin strips.

(slang, vulgar) To be scared; to be terrified.

present participle of push it

(postpositive, obsolete) Including all types or aspects thereof.