Lank/læŋk/ Definition 1 of 2Pro Tip 1/3Negative Connotation Often implies a lack of vitality or health when describing appearance. Despite his efforts, his plants remained lank. Pro Tip 2/3Avoid With Positives Rarely used to describe something positively; it suggests something is not well-kept. She disliked her lank garden plants. Pro Tip 3/3Not Just Hair While often used for hair, 'lank' can describe other things that hang limply. The lank curtains did nothing to brighten the room.