The word "in-tangible" refers to things that cannot be touched or perceived by the senses. Antonyms for this word include tangible, palpable, perceptible, visible, and concrete. These words refer to things that can be touched, seen, heard, or experienced in some way. For example, a tangible object is something that can be physically touched or held, while a perceptible sound is something that can be heard by the ear. Similarly, a concrete idea is a thought that can be easily understood and supported by evidence. Antonyms for "in-tangible" are useful for describing objects, ideas, or emotions that are readily accessible to the senses.